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Engine Wiring Question
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Johnthemann
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PostPosted: Mon Jan 26, 2015 7:43 am    Post subject: Engine Wiring Question Reply with quote

Im finally putting the engine back in my '74 and since I didn't do the disassembly I have a couple of wires Im trying to figure out.
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The wires in question are the green with the red stripe and the brown with the green stripe. I think one of the two goes to the oil pressure sending unit..not sure which. Can't seem to find this color combo in any of my manuals. Any help will be greatly appreciated.
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Jzsquared
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PostPosted: Mon Jan 26, 2015 8:44 am    Post subject: Reply with quote

http://www.thesamba.com/vw/archives/info/wiringthing.php

I printed the second one down and laminated it. Yes its for a 73 so just ignore the gas heater wiring everything else is the same
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Johnthemann
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PostPosted: Mon Jan 26, 2015 9:03 am    Post subject: Reply with quote

Wow thanks!..so it looks like the brown and green go to the oil pressure. Still not seeing the other one?
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Jzsquared
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PostPosted: Mon Jan 26, 2015 9:04 am    Post subject: Reply with quote

also double check that wire on the coil, looks like you have the ignition positive and the coil negative on the same post. Black isn't ground on VWs brown is
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Johnthemann
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PostPosted: Mon Jan 26, 2015 9:19 am    Post subject: Reply with quote

I have the power wire from the ignition on the positive side of the coil and the red wire from the Allison XR700 on the positive side of the coil. The negative side of the coil I have the black from the XR700. This thing was running when I pulled the motor now I have nothing. Im considering going back to points and condenser.. Is my wiring correct you think?
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Jzsquared
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PostPosted: Mon Jan 26, 2015 10:08 am    Post subject: Reply with quote

Not 100% sure, I'll leave this for someone else to answer. Sorry
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Al Capulco
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PostPosted: Mon Jan 26, 2015 7:50 pm    Post subject: Reply with quote

The green/red wire is for the oil switch. The small grey/green wire is a diagnostic test connector for the coil and does not need to be connected. It would have been connected to the negative side of the coil.
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Johnthemann
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PostPosted: Tue Jan 27, 2015 7:54 am    Post subject: Reply with quote

Thanks for your help!
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