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wiring a new 1971 ignition switch
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[email protected]
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PostPosted: Sun Oct 08, 2017 7:17 am    Post subject: wiring a new 1971 ignition switch Reply with quote

I have a question on wiring my new ignition switch for my 71 bay window bus. The black wire from the ignition switch has two female connectors. Does anyone know where the shorter stubbed out black wire connector hooks in? I wired all the other ignition switch wires into the clear plastic connector receptical and my bus starts up fine. The previous switch had the black wire and the black-yellow wire fused together, possibly to power the headlights. My headlights are not coming on now but the parking lights work fine. Any ideas or a picture of where the extra black wire connector hooks in?
Thanks,
Scott
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busdaddy
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PostPosted: Sun Oct 08, 2017 8:12 am    Post subject: Re: wiring a new ignition switch Reply with quote

The second connector on the black wire is not used on German made buses, it's present on most Brazilian made switches and must be for something our buses don't have. Tape it up.

Did the switch you purchased not have the black/yellow (circuit X) wire?, you'll need to find some other way to power your headlights and wipers if it didn't.
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PostPosted: Sun Oct 08, 2017 9:03 am    Post subject: Re: wiring a new ignition switch Reply with quote

Headlight wiring ciruit
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PostPosted: Sun Oct 08, 2017 9:21 am    Post subject: Re: wiring a new ignition switch Reply with quote

Hey Thank you. I taped off the other black wire connector. The BLK/ Y wire goes into the clear plastic connector and then to the headlights switch. I have swapped out the headlights switch and the relay and there is no change. I taped off the grey wire to that goes to the buzzer. Everything else appears to be wired correctly. Any ideas??
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Wildthings
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PostPosted: Sun Oct 08, 2017 10:07 am    Post subject: Re: wiring a new ignition switch Reply with quote

You need to get out your meter or test light and determine where you have power and where you don't.
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PostPosted: Sun Oct 08, 2017 10:09 am    Post subject: Re: wiring a new ignition switch Reply with quote

[email protected] wrote:

The BLK/ Y wire goes into the clear plastic connector and then to the headlights switch.

goes into the clear plastic connector and connects to Which color Wire and connects to Which Terminal on the light switch?


First check your fuses.
Use the wiring diagram I posted ^^Above^^ and with the headlight switch on test for power.
Ignition switch D-x>E1-x>E1-56>J-56

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PostPosted: Sun Oct 08, 2017 10:52 am    Post subject: Re: wiring a new ignition switch Reply with quote

Thanks. Your right. The prev owner removed the BLK/Y wire from the fuse box and had the BLK/Y from the clear connector going directly to the headlights. I think that solves it.
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PostPosted: Sun Oct 08, 2017 10:52 am    Post subject: Re: wiring a new ignition switch Reply with quote

You are aware the key has to be in the run position for the headlights to work, right?
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PostPosted: Sun Oct 08, 2017 11:55 am    Post subject: Re: wiring a new ignition switch Reply with quote

busdaddy wrote:
You are aware the key has to be in the run position for the headlights to work, right?

Do you mean headlights or high beams?
Both my late 60's rigs the headlights are hot without the key..
If indeed so,when did VW change this and why?
It's nice to have use of the headlights in an emergency without having the key on,subsequently burning the points
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PostPosted: Sun Oct 08, 2017 1:41 pm    Post subject: Re: wiring a new ignition switch Reply with quote

fes wrote:
busdaddy wrote:
You are aware the key has to be in the run position for the headlights to work, right?

Do you mean headlights or high beams?
Both my late 60's rigs the headlights are hot without the key..
If indeed so,when did VW change this and why?
It's nice to have use of the headlights in an emergency without having the key on,subsequently burning the points

The feature starts in 1971, I guess it's to prevent killing the battery by leaving the headlights on, the parking lights still work with the key off.
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PostPosted: Sun Oct 08, 2017 2:08 pm    Post subject: Re: wiring a new ignition switch Reply with quote

if your ignition switch doesn't have a black/yellow wire, make up a short jumper and jump a spare 30 terminal to the X terminal on the headlight switch.
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PostPosted: Sun Oct 08, 2017 5:23 pm    Post subject: Re: wiring a new ignition switch Reply with quote

Hey we got it. Running and headlights work. Thanks everyone.
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