924Board.org

[Fasteddie313]

Think it’s that plug with 3 big wires right by the back of the head..
One is the exciter wire..




Pretty sure it’s this one with the red blue and yellow wire..
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80 Turbo - Slightly Modified

[bureau13]

I think we've moved beyond a head installation thread, so I'm going to move any ongoing discussion of gauge wiring or charging circuit to a new thread, if necessary. I am considering my head installation completed. I drove it several miles today with no real problems...I do still have some part throttle driveability concerns, but I don't think that has anything to do with the head, and I did notice two instances of a backfire where I briefly seemed to lose power and heard a pop out the tailpipe, which is not something I've been noticing, so any thoughts on that let me know, but I suspect both of these issues to be tuning related, rather than new head related.

Thanks for all the help!
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1982 931
1986.5 Silver 928S
2008 Volvo XC90 (Daily)

Past lives (I miss them all):
2007 Hummer H3 (Timing chain guide failure)
2004 RX-8 (Wrecked)
1993 RX-7 (Sold)
1987 RX-7 Turbo II (Sold)
1985 RX-7 GSL (Stolen)

[924RACR]

Yeah, part throttle driveability and backfire on decel definitely tuning related.

Never 100% got rid of mine until I went MS.
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Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype

[chuck21401]

My electrical gremlins have not shown themselves since I replaced the alternator. Fingers crossed, knock on wood.
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1981 Porsche 931 w/S1 engine & euro g31 transaxle. Water-cooled intercooler