Dodgy electrics

[richandhazel]

Jumped in the mk 2 last night and a few things stopped working, all working better today though, really odd. Think it might be a bad earth or something to do with the damp. Anyway, just fishing for some other ideas:-

Heater fan only worked on full, then stopped completely. Now works on full only again. I'm guessing its something to do with the resistor.......remind me where it is guys, its not actually on the motor on the mk2 is it?

Lights were very dim and the inner spots were glowing............not sure whats happened there.......possibly bad earth again?

[Judderi]

I belive the resistor is actually on the speed switch itself.

[dubslug]

rich ive heard its easier to just replace the whole fan unit under the passenger side dash, when mine only worked on pos 3 thats wot i did n it all works ok now

[richandhazel]

Found the ballast resistor, its mounted just inside the front of the os front wing. Can't see much wrong there but smacking the fan housing seems to make it come on so I'm making progress lol.

Talk about bad earth, just checked the main chassis/engine earth and it was only on by one strand on the engine/gearbox........completely severed as soon as I touched it Reckon that will fix a multitude of problems.........lucky I have a spare one tucked a way in my wiring box. Going to change that now before it gets dark.

[richandhazel]

Damn, damn and bollox

Whilst changing the earth strap I unwittingly allowed one of the smaller brown earths to touch the live just as I was connecting the main earth strap. Heard a short sizzle noise and now the bloody thing won't start

Fuel pump is now running continuously with the ignition just switched on so I reckon I've cooked the fuel pump relay........or the timer side of it anyway. Don't these have a fuse on the relay........mk1's used to.

[richandhazel]

I'm sulking and going down the social club

[Len]

Ummmmm er folks - this very nice man, repairs aeroplanes for a living!

Fear of flying??


 


And now he's gone on the Stella!

[Mr Blue]

water is getting inside from the scuttle tray and dripping on your fan motor. when u wack the fan the bushes make contact and the fan works again.

[takethefifth]

I think the continuous running fuel pump is a sign of a cooked ecu 

[AudiA8Quattro]

The resistor for the fan is mounted on the motor housing, easy to change and very cheap.
If you need to swap fuel pump relays then try the one on my vr6, it will be the same.