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Split 66'
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Joined: October 07, 2010
Posts: 1255
Location: Bay Area, California
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 Posted: Wed Jan 27, 2021 4:52 pm Post subject: Re: 1966 Wiring Diagram |
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| Jeler wrote: |
Split 66
Pulsing achieved at both HL & HR points!
The mystery voltage appears to be coming from the 54F pin on the 9 pin!
I’m also receiving a pulse at both TS board points 54S1 & 54B1 to ground. Hopefully I had located both points on TS board correctly!
Thanks again
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Nicely done!
Is that an aftermarket Turn Signal board?
Does this connection look possibly bad, in person?
If you disconnect 54F from the 9 pin, does the auto-flashing stop? Which of those three would get it to stop if pulled?
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Jeler
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Joined: January 06, 2020
Posts: 152
Location: Iowa
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| Posted: Thu Jan 28, 2021 10:29 am Post subject: Re: 1966 Wiring Diagram |
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Split 66
The solder joint does look rather suspicious and yes it is an after market TS!
When 49A is disconnected the flash/pulse stops. 54F & S makes no difference.
New 9 pin from Wolfsburg will be here tomorrow, may have to order another TS too! (Spares if not needed)
Thanks for all your help
Jeff
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Split 66'
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Joined: October 07, 2010
Posts: 1255
Location: Bay Area, California
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| Posted: Thu Jan 28, 2021 1:21 pm Post subject: Re: 1966 Wiring Diagram |
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Nice, looking forward to hearing if the WW 9pin was defective! Keep us posted.
EDIT: That TS control board connection is Ugly.
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Jeler
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Joined: January 06, 2020
Posts: 152
Location: Iowa
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| Posted: Thu Jan 28, 2021 3:57 pm Post subject: Re: 1966 Wiring Diagram |
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Split 66
Yes that is one ugly solder joint on the TS switch, it appears to be soldered to the end of a pin that goes thru the board. I don't or doubt it's repairable.
Yeah, I'll keep you up to date on the new 9-pin. Part of me is also thinking it may be a faulty switch in the master cylinder. Just wish I could locate that nasty gremlin, and that's a polite way to express my feelings. LOL
Take care
Jeff |
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Jeler
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Joined: January 06, 2020
Posts: 152
Location: Iowa
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| Posted: Wed Feb 03, 2021 11:26 am Post subject: Re: 1966 Wiring Diagram |
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| Split 66' wrote: |
Nice, looking forward to hearing if the WW 9pin was defective! Keep us posted.
EDIT: That TS control board connection is Ugly. |
Split 66
Well hooked up the new 9pin from WW and have the same problem.
Guess my next option is to try a new TS, last one I ordered was from CiP1,
I think I'll order one from WW this time.
Do you think it may be a problem with my master brake cylinder switch?
Thanks and take care
Jeff |
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Split 66'
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Joined: October 07, 2010
Posts: 1255
Location: Bay Area, California
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| Posted: Wed Feb 03, 2021 2:46 pm Post subject: Re: 1966 Wiring Diagram |
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Sorry to hear it, but I still think the problem is in the TS control board. If you could find an OG TS assembly, you'd be way ahead.
EDIT: The stop light switch has only two states, on or off. The small hole in the rear of the stop switch detects the pressure of the brake fluid; when you step on the pedal, the fluid closes the contact in the switch, and the brake lights come on. You can entirely remove the connection to the brake light switch, to test this for your self.
Since you have the wiring for two stop light switches, but are only using one of the wire pairs, where is the other pair connected to?
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telford dorr
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Joined: March 11, 2009
Posts: 3551
Location: San Diego (Encinitas)
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| Posted: Wed Feb 03, 2021 3:47 pm Post subject: Re: 1966 Wiring Diagram |
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If disconnecting 49a stops the flashing, then the issue is in the turn signal switch. It's either got a short, or it's miswired (make sure the wire on 49a is black/white/green).
49a (and thus 54bl at the turn switch) is the flashing signal from the 9-pin relay which the turn switch sends to either the left or right turn lamps when the switch is moved down or up. Your problem is that the center position isn't "off", like it should be.
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More VW electrical at http://telforddorr.com/ (available 9am to 9pm PST) |
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Jeler
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Joined: January 06, 2020
Posts: 152
Location: Iowa
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| Posted: Wed Feb 03, 2021 4:50 pm Post subject: Re: 1966 Wiring Diagram |
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| Split 66' wrote: |
Sorry to hear it, but I still think the problem is in the TS control board. If you could find an OG TS assembly, you'd be way ahead.
EDIT: The stop light switch has only two states, on or off. The small hole in the rear of the stop switch detects the pressure of the brake fluid; when you step on the pedal, the fluid closes the contact in the switch, and the brake lights come on. You can entirely remove the connection to the brake light switch, to test this for your self.
Since you have the wiring for two stop light switches, but are only using one of the wire pairs, where is the other pair connected to? |
Split 66
Yea it was a bummer. Thanks for the explanation on the brake switch. I do have an OG TS here but the case and tail end of the wires were pretty crappy.
The other two brake switch wires are covered individually with heat shrink tubing and secured with a zip tie to a brake line.
I'll take a closer look at it and see if I can make something work of it.
Heading in tomorrow AM for shoulder cuff surgery, so it will no doubt be a week or two before I can get back at it.
Thanks again
Jeff
Last edited by Jeler on Wed Feb 03, 2021 4:54 pm; edited 1 time in total |
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Jeler
Samba Member
Joined: January 06, 2020
Posts: 152
Location: Iowa
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| Posted: Wed Feb 03, 2021 4:52 pm Post subject: Re: 1966 Wiring Diagram |
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| telford dorr wrote: |
If disconnecting 49a stops the flashing, then the issue is in the turn signal switch. It's either got a short, or it's miswired (make sure the wire on 49a is black/white/green).
49a (and thus 54bl at the turn switch) is the flashing signal from the 9-pin relay which the turn switch sends to either the left or right turn lamps when the switch is moved down or up. Your problem is that the center position isn't "off", like it should be. |
Telford
Thanks I'll look into this again a verify. Their were some rough looking solder joints on the new TS.
Thanks Jeff |
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Split 66'
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Joined: October 07, 2010
Posts: 1255
Location: Bay Area, California
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| Posted: Thu Feb 04, 2021 2:36 pm Post subject: Re: 1966 Wiring Diagram |
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| Jeler wrote: |
Split 66
Yea it was a bummer. Thanks for the explanation on the brake switch. I do have an OG TS here but the case and tail end of the wires were pretty crappy.
The other two brake switch wires are covered individually with heat shrink tubing and secured with a zip tie to a brake line.
I'll take a closer look at it and see if I can make something work of it.
Heading in tomorrow AM for shoulder cuff surgery, so it will no doubt be a week or two before I can get back at it.
Thanks again
Jeff |
Hopefully everything went well with your surgery today. If you've got some down time, and if you feel well enough over the next couple of weeks, you may want to try to refurbish your OG TS. Most times that aftermarket stuff just can't be made to the same quality standards of the original.
| telford dorr wrote: |
If disconnecting 49a stops the flashing, then the issue is in the turn signal switch. It's either got a short, or it's miswired (make sure the wire on 49a is black/white/green).
49a (and thus 54bl at the turn switch) is the flashing signal from the 9-pin relay which the turn switch sends to either the left or right turn lamps when the switch is moved down or up. Your problem is that the center position isn't "off", like it should be. |
This is the same conclusion I arrived at as well. The only thing that throws me off, was Jeff saying that both filaments are lit when the auto-flashing is occurring. If the problem is in the TS, only the running light/turn signal filament should be blinking, not the Brake light filament too. How could both filaments be auto-flashing?
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ToolBox
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Joined: January 27, 2004
Posts: 3439
Location: Detroit, where they don't jack parts off my ride in the parking lot of the 7-11
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| Posted: Fri Feb 05, 2021 10:41 am Post subject: Re: 1966 Wiring Diagram |
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| Split 66' wrote: |
This is the same conclusion I arrived at as well. The only thing that throws me off, was Jeff saying that both filaments are lit when the auto-flashing is occurring. If the problem is in the TS, only the running light/turn signal filament should be blinking, not the Brake light filament too. How could both filaments be auto-flashing? |
Bad grounds will cause both filiments to light. |
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Split 66'
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Posts: 1255
Location: Bay Area, California
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| Posted: Fri Feb 05, 2021 1:03 pm Post subject: Re: 1966 Wiring Diagram |
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Where would you expect the bad ground to be then?
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Jeler
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Joined: January 06, 2020
Posts: 152
Location: Iowa
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| Posted: Sat Feb 06, 2021 7:49 am Post subject: Re: 1966 Wiring Diagram |
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split 66
can't wait to get back out to the shop and see what i can do with the OG TS, sounds like a great idea. One armed jack now, hopefully it will be soon.
thanks again for all your suggestions
Jeff |
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Jeler
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Posts: 152
Location: Iowa
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| Posted: Sat Feb 06, 2021 7:51 am Post subject: Re: 1966 Wiring Diagram |
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| ToolBox wrote: |
| Split 66' wrote: |
This is the same conclusion I arrived at as well. The only thing that throws me off, was Jeff saying that both filaments are lit when the auto-flashing is occurring. If the problem is in the TS, only the running light/turn signal filament should be blinking, not the Brake light filament too. How could both filaments be auto-flashing? |
Bad grounds will cause both filiments to light. |
I have both tail lights grounded to the bolt on the negative battery terminal. But i will double check.
thanks so much
Jeff |
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ToolBox
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Posts: 3439
Location: Detroit, where they don't jack parts off my ride in the parking lot of the 7-11
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| Posted: Mon Feb 08, 2021 10:14 am Post subject: Re: 1966 Wiring Diagram |
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| Split 66' wrote: |
| Where would you expect the bad ground to be then? |
Housing to body and depending on the style of housing it could be bulb holder to housing.
On my 59 I ran grounds zip screwed into the housing to a ground point. Added one for the tag light too. |
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Jeler
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Joined: January 06, 2020
Posts: 152
Location: Iowa
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| Posted: Mon Feb 08, 2021 1:14 pm Post subject: Re: 1966 Wiring Diagram |
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| ToolBox wrote: |
| Split 66' wrote: |
| Where would you expect the bad ground to be then? |
Housing to body and depending on the style of housing it could be bulb holder to housing.
On my 59 I ran grounds zip screwed into the housing to a ground point. Added one for the tag light too. |
I have a wire stripped on the ends held in place with a hose clamp to the taillight bulb housing directly to my negative battery cable where it is secured to the body/frame.
Jeff |
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ToolBox
Samba Member
Joined: January 27, 2004
Posts: 3439
Location: Detroit, where they don't jack parts off my ride in the parking lot of the 7-11
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| Posted: Tue Feb 09, 2021 10:13 am Post subject: Re: 1966 Wiring Diagram |
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| Jeler wrote: |
| ToolBox wrote: |
| Split 66' wrote: |
| Where would you expect the bad ground to be then? |
Housing to body and depending on the style of housing it could be bulb holder to housing.
On my 59 I ran grounds zip screwed into the housing to a ground point. Added one for the tag light too. |
I have a wire stripped on the ends held in place with a hose clamp to the taillight bulb housing directly to my negative battery cable where it is secured to the body/frame.
Jeff |
Go buy 2 1157 bulbs and install them... |
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Jeler
Samba Member
Joined: January 06, 2020
Posts: 152
Location: Iowa
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| Posted: Tue Feb 09, 2021 11:44 am Post subject: Re: 1966 Wiring Diagram |
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| ToolBox wrote: |
| Jeler wrote: |
| ToolBox wrote: |
| Split 66' wrote: |
| Where would you expect the bad ground to be then? |
Housing to body and depending on the style of housing it could be bulb holder to housing.
On my 59 I ran grounds zip screwed into the housing to a ground point. Added one for the tag light too. |
I have a wire stripped on the ends held in place with a hose clamp to the taillight bulb housing directly to my negative battery cable where it is secured to the body/frame.
Jeff |
Go buy 2 1157 bulbs and install them... |
I’ll try that, I have 1156 bulbs in there now |
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ToolBox
Samba Member
Joined: January 27, 2004
Posts: 3439
Location: Detroit, where they don't jack parts off my ride in the parking lot of the 7-11
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| Posted: Wed Feb 10, 2021 9:36 am Post subject: Re: 1966 Wiring Diagram |
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| Jeler wrote: |
| ToolBox wrote: |
| Jeler wrote: |
| ToolBox wrote: |
| Split 66' wrote: |
| Where would you expect the bad ground to be then? |
Housing to body and depending on the style of housing it could be bulb holder to housing.
On my 59 I ran grounds zip screwed into the housing to a ground point. Added one for the tag light too. |
I have a wire stripped on the ends held in place with a hose clamp to the taillight bulb housing directly to my negative battery cable where it is secured to the body/frame.
Jeff |
Go buy 2 1157 bulbs and install them... |
I’ll try that, I have 1156 bulbs in there now |
1156 are single filiment bulbs. |
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Jeler
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Posts: 152
Location: Iowa
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| Posted: Thu Feb 11, 2021 11:42 am Post subject: Re: 1966 Wiring Diagram |
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| I was wrong, I just looked at a box of 1156 that I thought the bulbs came from! Removed the rear bulbs and they are both 1157’s |
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