I have a 89 5spd 7mgte and I was wondering what yr harness's will work flawlessly with the stock ecu/sensors/etc as I need a new one.
frontierguy25;1383433 said:You will need a 89 harness for it to work flawlessly. You can still buy them from Champion in houston. 89 was a wierd year for the MK3.
That is where I bought mine not too long ago.
Bri7man;1383436 said:Alllright, good thing because I was about to buy a 92 harness cause I was told it would work with no problems.
Thanks for the reply