Club 80-90 Forums

After my van was at a garage for a month and nothing got done.I got it back and found six wires by the thermostat housing not got a clue where they go I have added some photos can anyone help me where they go thanks.

Plain yellow = the buzzer of doom pressure switch (0.9 bar or above).

Blue / black = the oil pressure warning light (0.3 bar)

Yellow / red = temperature gauge sender

Blue / green = coolant shortage sender / switch.

Brown = chassis / ground.

Black = ignition live

Right had a closer look at the wires and there is 
one brown
One red/yellow
Blue and yellow together
One black
One brown/black
Any one tell me which goes where I'm a complete novice on these engines thanks.

Buggy83 wrote: ↑02 May 2024, 13:39 Right had a closer look at the wires and there is 
one brown
One red/yellow
Blue and yellow together
One black
One brown/black
Any one tell me which goes where I'm a complete novice on these engines thanks.

Robsey gave you the info yesterday evening

Sorry to correct you, Rob. If lm right, then normally...

Blue/black trace wire goes to blue switch 0.3 bar. All petrol WBX T25's are fitted with this one between pushrods.

Yellow wire to grey switch 0.9 bar under waterpump known as buzzer of doom fitted to engines (check serial number) after 1985.

Buzzer run by green wire to No1 on coil.

Its okay...
It's actually Steve you are correcting.

I gave the colours...
Steve gave the locations.

But you are correct to point out the correct oil pressure wire locations.

Low Pressure Oil Switch hidden by push rods.
(Blue / black)

Higher Pressure Oil Switch (Buzzer of Doom / Dynamic Oil Pressure) near the water pump.
(Plain yellow - no stripe). On later engines.

Unfortunately VW did a bit of daisy-chaining coloured wires to brown wires too.
Just to keep things interesting.

Robsey wrote: ↑03 May 2024, 12:32 Its okay...
It's actually Steve you are correcting.

Low Pressure Oil Switch hidden by push rods.

Higher Pressure Oil Switch (Buzzer of Doom / Dynamic Oil Pressure) near the water pump.

Unfortunately VW did a bit of daisy-chaining coloured wires to brosn wires too.
Just to keep things interesting.

Whoops! That will confuse OP.
Mocki (Steve) l mean. Not Rob.

Sorry i want awake , and was getting frustrated …… i will remove my bit on the post

No worry Steve,
It is human to have the odd blooper.

I hope whatever caused you frustration has been sorted.

Hi what switch goes at the back of the thermostat housing.And who sells them thanks