Re: Back-up light switch

[drew <drew@dyermaker.cs.uoguelph.ca>]

The reverse light switch on these models also doubles as an upshift-light
switch to tell the upshift control unit when you're in 5th gear.  The
wires for the reverse light switch are (I think) black and black with a
blue stripe (black being ignition power, bk/bl being switched to reverse
lights I think).  If you jumper these two wires, the reverse lights should
come on (key in 'run' position.)

Replacement switches may have different pinouts than factory - it may be
necessary to re-pin the wiring connector when installing the switch -
check the terminals on the old one vs the terminals on the new - ask
someone with a Bentley for wiring advice if they're different.

Replacement involves 2 11mm(?) 12 point bolts or 2 8mm/9mm(?) hex bolts,
depending on year.  You may find access to be easier if you move the
coolant resevoir out of its bracket - it's easier to see what you're doing
then. Replacement switches are probably in the $25 USD range (I'm
guessing) and are likely VW only parts.

Hope this helps,

Drew (84 Wolfsburg Ed)

On Tue, 1 Feb 2000, Keith Fullerton wrote:

> 
> Hi,
> I hope some can/will help. Its not a big deal, but
> the reverse lights on my 84 8v don't work. I was looking at the tranny
> (5 speed) to find the switch to test it, and when I found it, it does
> not look like the one in Bentley or the one that the parts store wanted
> to sell me (which was a simple threaded brass switch that screws into
> the transmission housing with 2 leads coming off of it). What I found
> on my transmission was an rectangular plug with a rubber boot with
> multiple connector pins. I assume this is for the reverse lights and
> other stuff, but could not find it in any of the pictures in Bentley.
> Do these go bad? What all does it control? Any other suggestions to
> check? 
> TIA
> -Keith
> PS The bulbs are new... :)
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Drew MacPherson, Network Analyst, University of Guelph

drew@dyermaker.cs.uoguelph.ca           |  visit the Massey-Harris page:
http://dyermaker.cs.uoguelph.ca/~drew   |  http://m-h.cs.uoguelph.ca


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