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AhnwS71
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PostPosted: Sat Feb 24, 2018 8:17 pm    Post subject: engine wiring Reply with quote

I am re wiring a 1971 Bus and cannot find the male connector on the electric idle jet.
here is a wiring diagram.

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here is the choke male connector

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anyone have pics of the male connector for the idle jet?
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SGKent Premium Member
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PostPosted: Sat Feb 24, 2018 8:22 pm    Post subject: Re: engine wiring Reply with quote

the idle jet cut off is on a 34-pict 3 other side from your red circle which is a choke heating element
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AhnwS71
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PostPosted: Sat Feb 24, 2018 9:27 pm    Post subject: Re: engine wiring Reply with quote

SGKent wrote:
the idle jet cut off is on a 34-pict 3 other side from your red circle which is a choke heating element

I am not sure what that means. Sorry.
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AhnwS71
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PostPosted: Sat Feb 24, 2018 9:30 pm    Post subject: Re: engine wiring Reply with quote

AhnwS71 wrote:
I am re wiring a 1971 Bus and cannot find the male connector on the electric idle jet.
here is a wiring diagram.

Image may have been reduced in size. Click image to view fullscreen.


here is the choke male connector

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.


anyone have pics of the male connector for the idle jet?


The O1 is the automatic choke
the O2 is the electronic idle jet--Icannot see where the wire physically connects to this.
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Wildthings
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PostPosted: Sat Feb 24, 2018 10:51 pm    Post subject: Re: engine wiring Reply with quote

Look on the left side of the carb. Assuming the solenoid has not been removed or the spade hasn't broken off it should be obvious.
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williamM
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PostPosted: Sun Feb 25, 2018 5:26 am    Post subject: Re: engine wiring Reply with quote

This is powered by a jumper off the electric shut off near the throttle and loops round the back of the carb to the choke connection. They have your diagram backward- the .02 choke should be last-where the 01 is.


put in the saftey wire to the fuel inlet while your back there.
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AhnwS71
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PostPosted: Sun Feb 25, 2018 4:15 pm    Post subject: Re: engine wiring Reply with quote

Wildthings wrote:
Look on the left side of the carb. Assuming the solenoid has not been removed or the spade hasn't broken off it should be obvious.


Is this it?
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AhnwS71
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PostPosted: Sun Feb 25, 2018 4:19 pm    Post subject: Re: engine wiring Reply with quote

williamM wrote:
This is powered by a jumper off the electric shut off near the throttle and loops round the back of the carb to the choke connection. They have your diagram backward- the .02 choke should be last-where the 01 is.


put in the saftey wire to the fuel inlet while your back there.


is this it?
Image may have been reduced in size. Click image to view fullscreen.


safety wire to fuel inlet? what is that?
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fes
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PostPosted: Sun Feb 25, 2018 5:17 pm    Post subject: Re: engine wiring Reply with quote

Yes,that is the eclectro shut off mechanism on the left side of your carb,The bus will not run without it being connected,the other side is the choke element
You want to splice two wires into one like a "Y" ( solder and use heat shrink tubing) the longer part of the Y goes in between the fan shroud and carb to the choke element,shorter part goes to the shutoff and the single part or,stem of the three way wire goes to the positive side of the coil,which would be the side with all the other wires to it,the green from the distributor would be the negative side
I think William is referring to safety wiring as a practice used by racers as a fail safe from things falling off,twisted chicken wire around nuts and bolts etc,in your case the fuel line..
But in my opinion,and sure others will agree to get that plastic fuel filter farthest away as possible from the engine..between the tank itself and the firewall above the transmission is most recommended..
Hope I made things clear enough
-Matt
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busdaddy
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PostPosted: Sun Feb 25, 2018 5:31 pm    Post subject: Re: engine wiring Reply with quote

Yes, safety wire the hose to the carb in case the fitting pulls out of the casting, plenty of examples here: https://www.thesamba.com/vw/forum/album_search.php...t_dir=DESC

And also another vote for the fuel filter a few inches downstream of the tank outlet above the transmission.

Now should we discuss the guide tube for the throttle sticking out of the shroud?, or how that capped vacuum port for a brake booster looks like it'll interfere with the throttle and possibly make it stick wide open? And how about that crappy air filter and that braided fuel line?
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PostPosted: Sun Feb 25, 2018 5:35 pm    Post subject: Re: engine wiring Reply with quote

fes wrote:
Yes,that is the eclectro shut off mechanism on the left side of your carb,The bus will not run without it being connected,the other side is the choke element
You want to splice two wires into one like a "Y" ( solder and use heat shrink tubing) the longer part of the Y goes in between the fan shroud and carb to the choke element,shorter part goes to the shutoff and the single part or,stem of the three way wire goes to the positive side of the coil,which would be the side with all the other wires to it,the green from the distributor would be the negative side
I think William is referring to safety wiring as a practice used by racers as a fail safe from things falling off,twisted chicken wire around nuts and bolts etc,in your case the fuel line..
But in my opinion,and sure others will agree to get that plastic fuel filter farthest away as possible from the engine..between the tank itself and the firewall above the transmission is most recommended..
Hope I made things clear enough-Matt


Awesome thank you for your help.
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fes
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PostPosted: Sun Feb 25, 2018 5:49 pm    Post subject: Re: engine wiring Reply with quote

Excellent point Busdaddy..that accelerator cable guide tube dangling with it's dick in the wind is dangerous..Your going to want to put a hose clamp on the front of the fan shroud where the tube exits the shroud..essentially locking it in place against the shroud..(keep in mind,"front" is towards the firewall,so behind? confusing I know,but it's ACVW speak)
The rubber grommet clamped off for power boost brakes your not using is something your going to want to check for air leaks,if the bus is running like crap after all of this, start there,
And yes,get good Gates barricade fuel lines
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AhnwS71
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PostPosted: Sun Feb 25, 2018 5:52 pm    Post subject: Re: engine wiring Reply with quote

busdaddy wrote:
Yes, safety wire the hose to the carb in case the fitting pulls out of the casting, plenty of examples here: https://www.thesamba.com/vw/forum/album_search.php...t_dir=DESC

And also another vote for the fuel filter a few inches downstream of the tank outlet above the transmission.

Now should we discuss the guide tube for the throttle sticking out of the shroud?, or how that capped vacuum port for a brake booster looks like it'll interfere with the throttle and possibly make it stick wide open? And how about that crappy air filter and that braided fuel line?


I bought this bus in December. Just now getting some weather to work on it. The PO bought a refurbished engine from a company in California. the parts you see came on it. Are you suggesting changing the air filter, moving the fuel filter, changing the fuel lines, and what about the guide tube for the throttle?
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busdaddy
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PostPosted: Sun Feb 25, 2018 6:18 pm    Post subject: Re: engine wiring Reply with quote

The guide tube needs to be pushed forward so it's flush with the fan shroud, to make it stay there most people put a hose clamp on the forward end over the bellhousing, pushing a shrt length of rubber fuel line onto the end also works as long as it's on far enough and doesn't interfere with the flexible throttle conduit over the transmission.
Braided fuel lines were the gold standard 20 years ago, now that modern gas contains moonshine Gates barricade or a similar fuel injection line with an SAE rating of J30R9 or higher is the only safe solution, that braided stuff may last, or it may turn into soaker hose in 6 months, is $20 worth of line worth the fire risk?
That air filter does a poor job of straining out the fine contaminants, it's also noisy and lacks any sort of preheat so it'll run like ass on cool days. Find an original oil bath filter, nothing works better and it won't impede performance.
Hanging the fuel filter off the carb stresses the already weak pressed in fitting on the carb, when it pops out you'll be lucky to grab your wallet and phone before the bus is a complete inferno, you'll need the phone to video the firefighters attempting to extinguish the ensuing magnesium fire. Locate it ~6-8" after the tank outlet over the transmission, there's clips on the body to hold it up and it'll prevent any debris from damaging the fuel pump too. You'll have to drain the gas first, but you'll need to do that anyways to replace all the hoses, whatever you do disconnect the battery before messing around with metal tools over the starter, sparks plus gas end very badly.
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Wildthings
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PostPosted: Sun Feb 25, 2018 7:05 pm    Post subject: Re: engine wiring Reply with quote

Sometimes people cut the end of the solenoids plunger off making the solenoid inoperative. If so there is no reason to hook it up. Remove the solenoid and see if it has been modified.

When you apply 12v power to the solenoid, you should be able to hear it click.
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AhnwS71
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PostPosted: Sun Feb 25, 2018 7:23 pm    Post subject: Re: engine wiring Reply with quote

[quote="busdaddy"]
That air filter does a poor job of straining out the fine contaminants, it's also noisy and lacks any sort of preheat so it'll run like ass on cool days. Find an original oil bath filter, nothing works better and it won't impede performance.

https://www.averysaircooled.com/wp-content/uploads/2014/01/71oilbath_1_700.jpg


this is what you are talking about. will this fit? it looks pretty big?
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busdaddy
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PostPosted: Sun Feb 25, 2018 7:42 pm    Post subject: Re: engine wiring Reply with quote

Bigger is better, that's what it drove off the boat with, and yes it'll fit.
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fes
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PostPosted: Sun Feb 25, 2018 7:57 pm    Post subject: Re: engine wiring Reply with quote

Not my motor, pic from Samba gallery, but this gives you the idea of the way the crafty Germans filtered their intake system,as well as added ample climate control to reduce icing of carburetors in all climates..this designed didn't change much for almost 40 years for type 1 engines..so I guess they knew what they were doing Wink
EDIT: the stove pipe warm air pick up fresh air hose is missing from this one,otherwise complete
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PostPosted: Tue Feb 27, 2018 5:00 am    Post subject: Re: engine wiring Reply with quote

Shocked Shocked search "blazecut-" its an effective fire control system that mounts over the engine.
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PostPosted: Mon Dec 17, 2018 6:58 pm    Post subject: Re: engine wiring Reply with quote

busdaddy wrote:
Bigger is better, that's what it drove off the boat with, and yes it'll fit.


Any idea of a reliable source where to get a nice functioning oil bath filter?
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