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Tram
Samba Socialist
Joined: May 02, 2003
Posts: 22728
Location: Still Feelin' the Bern- Once you've felt it you can't un- feel it.
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 Posted: Tue Feb 20, 2018 11:19 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| notchboy wrote: |
So yeah. The 341 stockpile is good for now. Until I decide to liberate it. I won it as part of the separation. Lets see a vert this Fall  |
Cool. I could have put a lien on it for "storage charges" if necessary... "Ve haff vays".  Sounds like a clean break. Congrats. We all know it's because you went Bay on her. 
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notchboy
Samba Member
Joined: April 27, 2002
Posts: 22462
Location: Escondido CA
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D/A/N
Samba Member
Joined: August 13, 2010
Posts: 2227
Location: 11222
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| Posted: Wed Feb 21, 2018 4:05 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| notchboy wrote: |
I went Bay for you Tram, Bay for you........  |
You guys make quite a pair!
I was trying to think of what would make the diode in our switch fail and where that extra current would come from. The only oddity in our set up that I can think of is that power to the heater comes directly off the main battery (with an inline fuse) and power to the switch comes from the fuse box off of our house battery. Terminal 15 on the switch is powered from the main fuse box off of the main battery.
Could these two different power sources be a potential issue? |
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notchboy
Samba Member
Joined: April 27, 2002
Posts: 22462
Location: Escondido CA
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| Posted: Wed Feb 21, 2018 4:24 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| D/A/N wrote: |
| notchboy wrote: |
| I went Bay for you Tram, Bay for you........ |
You guys make quite a pair!
I was trying to think of what would make the diode in our switch fail and where that extra current would come from. The only oddity in our set up that I can think of is that power to the heater comes directly off the main battery (with an inline fuse) and power to the switch comes from the fuse box off of our house battery. Terminal 15 on the switch is powered from the main fuse box off of the main battery.
Could these two different power sources be a potential issue? |
Only if the relay on the heater connects them I would think?
_________________
| t3kg wrote: |
OK, this thread is over. You win. |
Jason "notchboy" Weigel
1964 1500 S
1964 T34 S Convertible
1977 Westfalia Camper pop-top |
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Wed Feb 21, 2018 4:55 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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Did somebody see that thing on Ebay
5KW Air Diesel Parking Heater For 12V Cars Bus Trucks Motors-Homes Boats Warming
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VW bus type 2 1978 transplant engine 1975 1800cc fuel injection |
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notchboy
Samba Member
Joined: April 27, 2002
Posts: 22462
Location: Escondido CA
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D/A/N
Samba Member
Joined: August 13, 2010
Posts: 2227
Location: 11222
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| Posted: Wed Feb 21, 2018 5:38 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| notchboy wrote: |
| D/A/N wrote: |
| notchboy wrote: |
| I went Bay for you Tram, Bay for you........ |
You guys make quite a pair!
I was trying to think of what would make the diode in our switch fail and where that extra current would come from. The only oddity in our set up that I can think of is that power to the heater comes directly off the main battery (with an inline fuse) and power to the switch comes from the fuse box off of our house battery. Terminal 15 on the switch is powered from the main fuse box off of the main battery.
Could these two different power sources be a potential issue? |
Only if the relay on the heater connects them I would think? |
Yeah....well who knows what the battery isolator is doing. It's probably all Trammed up. To be safe, we'll just re-wire the heater and switch to the main battery. These switches don't grow on trees after all. |
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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Tram
Samba Socialist
Joined: May 02, 2003
Posts: 22728
Location: Still Feelin' the Bern- Once you've felt it you can't un- feel it.
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| Posted: Wed Feb 21, 2018 6:20 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| D/A/N wrote: |
| notchboy wrote: |
| D/A/N wrote: |
| notchboy wrote: |
| I went Bay for you Tram, Bay for you........ |
You guys make quite a pair!
I was trying to think of what would make the diode in our switch fail and where that extra current would come from. The only oddity in our set up that I can think of is that power to the heater comes directly off the main battery (with an inline fuse) and power to the switch comes from the fuse box off of our house battery. Terminal 15 on the switch is powered from the main fuse box off of the main battery.
Could these two different power sources be a potential issue? |
Only if the relay on the heater connects them I would think? |
Yeah....well who knows what the battery isolator is doing. It's probably all Trammed up. To be safe, we'll just re-wire the heater and switch to the main battery. These switches don't grow on trees after all. |
I am still thinking that when your fuse was popping instantly that there was a direct short to ground... maybe at the switch you removed to adjust. When you put it back, you inadvertently fixed it.
This could also blow the resistor apart like that. Too much power would melt or burn it. That diode went KAPOW!
"Trammed up", eh? Everybody's a fuckin' commodeian...
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Немає виправдання для війни! Я з Україною.
| Bryan67 wrote: |
| Just my hands. And a little lube. No tools. |
To best contact me, please use the EMAIL function in my profile
Last edited by Tram on Wed Feb 21, 2018 6:35 pm; edited 3 times in total |
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WESTYJACK
Samba Member
Joined: February 21, 2017
Posts: 266
Location: LAVAL,QC CANADA
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| Posted: Wed Feb 21, 2018 6:21 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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[quote="WESTYJACK"]HEY notchboy watch the price?
https://www.ebay.com/itm/5KW-Air-Diesel-Parking-He...ng/[/quote
update item remove can buy it for 150us
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Tram
Samba Socialist
Joined: May 02, 2003
Posts: 22728
Location: Still Feelin' the Bern- Once you've felt it you can't un- feel it.
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| Posted: Wed Feb 21, 2018 6:34 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| notchboy wrote: |
| D/A/N wrote: |
| notchboy wrote: |
| I went Bay for you Tram, Bay for you........ |
You guys make quite a pair!
I was trying to think of what would make the diode in our switch fail and where that extra current would come from. The only oddity in our set up that I can think of is that power to the heater comes directly off the main battery (with an inline fuse) and power to the switch comes from the fuse box off of our house battery. Terminal 15 on the switch is powered from the main fuse box off of the main battery.
Could these two different power sources be a potential issue? |
Only if the relay on the heater connects them I would think? |
It shouldn't... the whole purpose of the timer switch is the two separate functions.
_________________
Немає виправдання для війни! Я з Україною.
| Bryan67 wrote: |
| Just my hands. And a little lube. No tools. |
To best contact me, please use the EMAIL function in my profile |
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notchboy
Samba Member
Joined: April 27, 2002
Posts: 22462
Location: Escondido CA
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| Posted: Wed Feb 21, 2018 7:11 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| Tram wrote: |
| notchboy wrote: |
| D/A/N wrote: |
| notchboy wrote: |
| I went Bay for you Tram, Bay for you........ |
You guys make quite a pair!
I was trying to think of what would make the diode in our switch fail and where that extra current would come from. The only oddity in our set up that I can think of is that power to the heater comes directly off the main battery (with an inline fuse) and power to the switch comes from the fuse box off of our house battery. Terminal 15 on the switch is powered from the main fuse box off of the main battery.
Could these two different power sources be a potential issue? |
Only if the relay on the heater connects them I would think? |
It shouldn't... the whole purpose of the timer switch is the two separate functions. |
Agreed. The only reason I mentioned it is that the only place the das power and direct bat power come together in this whole deal.
So you buying the NOS switch or want another used one? The nos one is plug and play. The one Ill have you may need to rewire.
_________________
| t3kg wrote: |
OK, this thread is over. You win. |
Jason "notchboy" Weigel
1964 1500 S
1964 T34 S Convertible
1977 Westfalia Camper pop-top |
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Tram
Samba Socialist
Joined: May 02, 2003
Posts: 22728
Location: Still Feelin' the Bern- Once you've felt it you can't un- feel it.
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| Posted: Wed Feb 21, 2018 7:24 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| notchboy wrote: |
| Tram wrote: |
| notchboy wrote: |
| D/A/N wrote: |
| notchboy wrote: |
| I went Bay for you Tram, Bay for you........ |
You guys make quite a pair!
I was trying to think of what would make the diode in our switch fail and where that extra current would come from. The only oddity in our set up that I can think of is that power to the heater comes directly off the main battery (with an inline fuse) and power to the switch comes from the fuse box off of our house battery. Terminal 15 on the switch is powered from the main fuse box off of the main battery.
Could these two different power sources be a potential issue? |
Only if the relay on the heater connects them I would think? |
It shouldn't... the whole purpose of the timer switch is the two separate functions. |
Agreed. The only reason I mentioned it is that the only place the das power and direct bat power come together in this whole deal.
So you buying the NOS switch or want another used one? The nos one is plug and play. The one Ill have you may need to rewire. |
What would they need to rewire? What terminal numbers are on your switch?
_________________
Немає виправдання для війни! Я з Україною.
| Bryan67 wrote: |
| Just my hands. And a little lube. No tools. |
To best contact me, please use the EMAIL function in my profile |
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notchboy
Samba Member
Joined: April 27, 2002
Posts: 22462
Location: Escondido CA
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| Posted: Wed Feb 21, 2018 7:42 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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I dont know. I didnt even know I had a 311 one. I assumed they were all 181. I would guess that the 5th terminal is the glowing light at night like the hazard.
_________________
| t3kg wrote: |
OK, this thread is over. You win. |
Jason "notchboy" Weigel
1964 1500 S
1964 T34 S Convertible
1977 Westfalia Camper pop-top |
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Tram
Samba Socialist
Joined: May 02, 2003
Posts: 22728
Location: Still Feelin' the Bern- Once you've felt it you can't un- feel it.
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| Posted: Wed Feb 21, 2018 7:49 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| notchboy wrote: |
| I dont know. I didnt even know I had a 311 one. I assumed they were all 181. I would guess that the 5th terminal is the glowing light at night like the hazard. |
If it's terminal 57 or something like that then yeah. Might be a good upgrade.
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Немає виправдання для війни! Я з Україною.
| Bryan67 wrote: |
| Just my hands. And a little lube. No tools. |
To best contact me, please use the EMAIL function in my profile |
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D/A/N
Samba Member
Joined: August 13, 2010
Posts: 2227
Location: 11222
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| Posted: Thu Feb 22, 2018 4:27 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| Tram wrote: |
| notchboy wrote: |
| I dont know. I didnt even know I had a 311 one. I assumed they were all 181. I would guess that the 5th terminal is the glowing light at night like the hazard. |
If it's terminal 57 or something like that then yeah. Might be a good upgrade. |
The 311 switch we have has 4 terminals. The 181 switch has 6 terminals but like notchboy said only 5 of them get used. The 5th is 58b which notchboy is also correct in correlating to instrument light power. I based my wiring off of this diagram but didn't hook up 58b yet as I need the right color wire. The diagram is wrong that 15 is "light switch"
The difference between this diagram and the switch itself is the coding of the terminals. There's 30, 31, A, X, 58b, and K. I had to guess where to put the black wire (15) and it works on terminal K. A is for the grey wire running all the way back to the heater.
The light wasn't working on the 181 switch, but we opened it up and found one of the inner terminals wasn't making contact where it should. Bar the unconnected 58b, the switch is working fine for now. I also know a guy who can look over and repair the 311 switch for us so I think we're okay on switches for now. The NOS one would be a good insurance policy though and I'll reach out to the seller. |
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Tram
Samba Socialist
Joined: May 02, 2003
Posts: 22728
Location: Still Feelin' the Bern- Once you've felt it you can't un- feel it.
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| Posted: Thu Feb 22, 2018 4:39 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| D/A/N wrote: |
| Tram wrote: |
| notchboy wrote: |
| I dont know. I didnt even know I had a 311 one. I assumed they were all 181. I would guess that the 5th terminal is the glowing light at night like the hazard. |
If it's terminal 57 or something like that then yeah. Might be a good upgrade. |
The 311 switch we have has 4 terminals. The 181 switch has 6 terminals but like notchboy said only 5 of them get used. The 5th is 58b which notchboy is also correct in correlating to instrument light power. I based my wiring off of this diagram but didn't hook up 58b yet as I need the right color wire. The diagram is wrong that 15 is "light switch"
The difference between this diagram and the switch itself is the coding of the terminals. There's 30, 31, A, X, 58b, and K. I had to guess where to put the black wire (15) and it works on terminal K. A is for the grey wire running all the way back to the heater.
The light wasn't working on the 181 switch, but we opened it up and found one of the inner terminals wasn't making contact where it should. Bar the unconnected 58b, the switch is working fine for now. I also know a guy who can look over and repair the 311 switch for us so I think we're okay on switches for now. The NOS one would be a good insurance policy though and I'll reach out to the seller. |
Daniel, LMK what color wires you want and lengths and I will send you whatever OEM stuff you need from my junk harness pile to your specs. This way you can make do for now and not drive yourself crazy over incorrect color wires forever. (I don't know anybody else who does that... honest! )
Looks like youse guys are getting our weather and we are getting yours. Several inches of snow melting off here right now but it looks like it's supposed to start snowing again soon. It's been stupid cold... for Oregon. Sun Valley was way colder but "it's a dry cold".
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Немає виправдання для війни! Я з Україною.
| Bryan67 wrote: |
| Just my hands. And a little lube. No tools. |
To best contact me, please use the EMAIL function in my profile |
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D/A/N
Samba Member
Joined: August 13, 2010
Posts: 2227
Location: 11222
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| Posted: Thu Feb 22, 2018 4:54 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| Tram wrote: |
Daniel, LMK what color wires you want and lengths and I will send you whatever OEM stuff you need from my junk harness pile to your specs. This way you can make do for now and not drive yourself crazy over incorrect color wires forever. (I don't know anybody else who does that... honest! )
Looks like youse guys are getting our weather and we are getting yours. Several inches of snow melting off here right now but it looks like it's supposed to start snowing again soon. It's been stupid cold... for Oregon. Sun Valley was way colder but "it's a dry cold". |
Yeah, well, it was close to 80* yesterday (!!!) but today has been a perfect example of the PNW. Only problem is, we're in the Northeast. Climate change or climate swapping?
I'll let you know about the wire.
In the meantime, since I'm being fussy and am going to move the switch over to main battery power, what fuse do people run theirs off of? I know it should be "always on" but I'd like to use the one that'd be least taxed by powering the switch and something else since I'll obviously have to piggyback. |
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notchboy
Samba Member
Joined: April 27, 2002
Posts: 22462
Location: Escondido CA
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| Posted: Thu Feb 22, 2018 4:56 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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And the BN4 in my 77 Westy keeps the chill away 
Good to see it getting sorted Dan!
_________________
| t3kg wrote: |
OK, this thread is over. You win. |
Jason "notchboy" Weigel
1964 1500 S
1964 T34 S Convertible
1977 Westfalia Camper pop-top |
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Tram
Samba Socialist
Joined: May 02, 2003
Posts: 22728
Location: Still Feelin' the Bern- Once you've felt it you can't un- feel it.
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| Posted: Thu Feb 22, 2018 5:35 pm Post subject: Re: Eberspacher BN4 info and help FAQ |
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| D/A/N wrote: |
| Tram wrote: |
Daniel, LMK what color wires you want and lengths and I will send you whatever OEM stuff you need from my junk harness pile to your specs. This way you can make do for now and not drive yourself crazy over incorrect color wires forever. (I don't know anybody else who does that... honest! )
Looks like youse guys are getting our weather and we are getting yours. Several inches of snow melting off here right now but it looks like it's supposed to start snowing again soon. It's been stupid cold... for Oregon. Sun Valley was way colder but "it's a dry cold". |
Yeah, well, it was close to 80* yesterday (!!!) but today has been a perfect example of the PNW. Only problem is, we're in the Northeast. Climate change or climate swapping?
I'll let you know about the wire.
In the meantime, since I'm being fussy and am going to move the switch over to main battery power, what fuse do people run theirs off of? I know it should be "always on" but I'd like to use the one that'd be least taxed by powering the switch and something else since I'll obviously have to piggyback. |
Run it off the front dome light or clock fuse. You may need to up it to 16a. The clock has its own internal safety solder fuse anyways.
Please dear God if you MUST remove the fuse panel be careful and observant because #1, that's the best 1970 only fusebox I have ever seen (they're notorious for falling apart) and #2 there are some extra wires there from my add on spaghetti system. For example, last time I had the box out (for a reason I can't even remember) and back in the switchover solenoid for the aux battery quit clicking when I hit the key so I had to take it all the way back apart again to fish out the wire I knocked off for it.
If you do this remember to play it safe and remove the neg terminal from BOTH batteries.
Honestly... I would just leave it as it is. The two functions are totally separate. Like I said, I really think that diode blew apart due to a short that kept popping the fuse as soon as you applied power. If it had for some reason defied the laws of physics and applied 24v to it it would have smoked and melted it and maybe the circuit board too. There's zero sign of that. I think you're throwing out the baby with the bathwater here... pardon the cliche.
Just my 2c.
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| Bryan67 wrote: |
| Just my hands. And a little lube. No tools. |
To best contact me, please use the EMAIL function in my profile |
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