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1983 UrQ Wiring, HELP.



In message <UPMAIL02.199702202107000983@msn.com> "ANDREW FINNEY" writes:

> I have accidentally done a bad thing. My car had the seatbelt warning buzzer 
> relay removed by the previous owner. I was using the black and blue positive 
> wire to this relay connection as a 12v test line to check another circuit. I 
> accidentally grounded it out, long story, and now the warning lights, turn 
> signals, handbrake light and fuel gage don't work.

Nurdge.  If it's the same black/blue line documented in the European wiring 
diagram open across my knees, I'm not in the slightest surprised!
 
It creeps into existence, via fuse 12, in track 52.  It leaps off down-track 
to 48, goes brown/black, and hops off to track 15 to power relay socket 8.  
As the original black/blue, it also flicks back on itself to tracks 49, 50 and 
51 to power the indicator lamp for the rear differential lock, the lamp for the 
centre differential lock, and the "full load" enrichment valve.  Dropping of 
the original track 52, it powers the reversing lights.
 
Tapped off from the base of fuse 12, it passes via line "b" into track 90.  
This splits back to 73, which merges up to 72, which folds both over (to T2) 
and under (to J124 - the rear lamp control unit) and the headlamp switch 
backlight.

Anyway, the other split of track 90 touches pin 3 of the warning lights, then 
bounces to pin 15a on the same switch, which provides the backlight, and 
continues to the reversing light switch. 

> No visible fuses are blown so at best it's a relay, at worst, well I don't 
> want to cry. Can someone with the illusive wiring diagram for a 1983 UrQ make 
> a guess at what I have shorted out. Thanks so much.

Just about everything, old son.  Check fuse 12.

--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club