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Mk2 questions



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At 02:41 PM 11/15/02 -0800, Euroroc II wrote:

>Allyn gave a good explanation for most of this but I need to add a few 
>comments...
>
>The fan speed thing confuses me... 1.2 and 3 are run thru the resistor and 
>4 is not. Since the series resistance is reduced as you go up in speed it 
>does not make sense that 1 & 2 give you full speed and 3 gives you a low 
>speed. Typical failure in the resistor causes you to loose lower speeds 
>all together i.e. no 1 or 2 but 3 is ok. I would check 2 thing before 
>ripping into the top of the airbox/blower motor... 1 check the switch. You 
>can unplug the switch and use a jumper to select each position. You should 
>have a Bentley manual to figure this out or I can tell you what color goes 
>to what for each speed. Be warned that there is a lot of current going to 
>the blower so this wire will get hot if you use a very small gauge, Make a 
>jumper wire with spade plugs and plugging it in with the car off is the 
>safest way to go. Also there is a connector between the harness that goes 
>to the switch and the one that goes to the blower/resistor. See if any 
>rewiring has gone on here.
>
>If this is all ok then proceed to the blower but I still don't understand 
>why it's working like this. I'll recheck the wiring diagram when I get home.
>
>-Raffi

I agree with Raffi on the wire guage.  When I made a jumper for the fuel 
pump relay I put a toggle switch in it and that would probably be a good 
idea for this application too.

John

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