1BAD_LS1

iTrader: (36)

Well i am finishing up my FM t70 project and started it up filing antifreeze, ect....

the temp get to 220* and the fans didn't kick on so i checked the tune and they were set to come on at 165* .....so i opened the scanner and checked the DTC's in the scanner. Well it brings up the relay falure for the fans!

I did cut and reverse the wires on the pigtails for both fans to run them backwards... but that shouldn't cause the problem! should it?


thanks for the help guys!


anyone have any ideas???????

1BAD_LS1

iTrader: (36)

I checked all the pins under the relay and NONE of them have power! is there another fuse somewhere??? Maybee another wire?

I did a motor swap on this project also so the harness came out....what wires whould i check?

Dewey

iTrader: (1)

just a thought. try turning the a/c on, that should make the fans engage if the problem is in the tune or the thermostat. other than that i've got no clue

1BAD_LS1

iTrader: (36)

ok ill try that.... im willing to try anything! I dont really want to wire them up to a switch.

Dewey

iTrader: (1)

yeah that would not be fun. is this a dd or a track car?

1BAD_LS1

iTrader: (36)

ac trick didn't work... they worked fine befor i did the motor swap.

thermostat is opening, tune is good for fans (i have hp tuners), BUT when i check the pins for the fan relays they have no power!

All i did was swap the wires around so the fans would run backwards... everything else is working except the fans!

Anyone have a wiring harness diagram or an idea of a wire to check???

1BAD_LS1

iTrader: (36)

its not my DD just a weekend warrior... drive it 2-3 times a week.

1BAD_LS1

iTrader: (36)

i cut out the 02 sensors from the harness... could this cause it?

1BAD_LS1

iTrader: (36)

I also removed the AC wires....

So the AC wires and O2 sensor wires were removed.... could this cause it?

1BAD_LS1

iTrader: (36)

got it guys... had a wire grounding out!