[urq] urq MC 1 Upgrade: Wiring Harness Questions

[Ben Swann]

I meant to reply earlier with more info. bu have been in a jam timewise and computer crash, so briefly will send you the URL to my site with info on MC-1/MAC-11 wiring: http://www.homestead.com/ben_swann/MCWiring.html
http://www.homestead.com/ben_swann/GTCTurbo.html

In short the wire colors in the Bently Diagram should key you into which ones go to the various sensors.

You ask about some of the functions - particularly the MF sensor - it pertains to the coolant tank switch, after-run circuitry and ancillary functions and has nothing to do with engine operation.  Careful and arduous study of the Bently diagram will clarify after great headache.  These are actually a part of a separate wiring harness and independant of the engine management harness for the Fuel and ignition.

Good luck!

Ben

[Date: Mon, 21 Mar 2005 19:13:23 -0500
From: Frank de Kat <fdekat at sentex.net>
Subject: [urq] urq MC 1 Upgrade: Wiring Harness Questions
To: urq at audifans.com
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Hello All!

For those who have reused or upgraded their urq to  a MC 1 wiring harness, 
I have a few questions.

In my excitement to rip the MC motor out of the donor car, I was a bit lax 
in documenting. I've figured out what all the wiring harness connectors 
are, but am in a bit of a quandary, as I didn't label what sensor the 
harness was removed from..

Looking at this picture:

http://www.sentex.net/~fdekat/mc_sensors.jpg

There's the single wire sensor on top (1), the double sensor at the back 
(2), the multi pin sensor on the bottom (3), and the sensor in the block (4).


I'm trying to find out which sensors above belong to connections 19 & 20 in 
this picture:

http://www.sentex.net/~fdekat/MAC 11 Harness Connections.jpg


I'm thinking that due to the physical type of connector, 19 & 20 would have 
to belong to sensor No. 2 (above). But which one where?

And also.. What are the other sensors for, if they don't go to the ECU 
wiring harness?

Any help would be welcome...

Thanks very much!




Frank de Kat
fdekat at sentex.net
Dundas, Ontario, Canada

http://www.sentex.net/~fdekat
(To see the "Rally Pictures")]
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