Club 80-90 Forums

Hello Guys! Im bruno From Portugal.

Im the admin of the T3 portugal Club.

im trying to do a swap in my T3, with a AFN engine from a B4 passat, but i have some problems with the wiring loom.

Can i have some help here?

Best regards

Hi, and welcome to 8090.

What do you need to know ? The Passat harness is quite a nice one to use for an engine-swap.

hello friend.

Im making my own wiring.

I have some doubts in the relays.

I think i have 2 relays for good working.. No?

103 and 109.

and the wires from the pedals?

i put the wires to ground?

Hi, yes you just need J317 & J52, plus also a 5-pin relay for the brake signals (see below).

I have the 96 Passat AHU wiring diagram, the AFN will be the same wiring:
http://syncrosport.com/info/wiring/96_Passat_AHU_3
http://syncrosport.com/info/wiring/96_Passat_AHU_4
http://syncrosport.com/info/wiring/96_Passat_AHU_5
http://syncrosport.com/info/wiring/96_Passat_AHU_6

For switches, you should fit the F36 clutch switch, as this makes nicer gear changes.
For the two brake switch inputs to the ECU, I always use a relay:



'F' goes to the ECU T68/44 (black/red) and the brake lamp wire (T3: black/red)
'F47' goes to the ECU T68/20 (white/yellow)
'F36' clutch switch (white/red) must switch to *sender earth* (brown/blue or brown/white) *not* chassis earth

Hello Guys. Engine now works fine.

Thanks a lot


But now i have two Problems.

1- No rpm in Tacho. i try the blue wire from alternator and nothing appens.

2- No Water Temp in tacho. I trey with the yellow red wire.

Can somebody help me?