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Old October 1st, 2004, 12:35 PM
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2015 LR4
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Angry Wiring help

Ok, I am trying to wire my truck back up now and I bought a new heater box/matrix and fan assembly. The problem I am having is that my trucks wiring harness has 3 wires for the heater (prple/green, grn/yel and grn/slate.. My new heater matrix has 3 wires also and one is red, one is brown and one is green...... What the F&*k..... How do I wire it?
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Old October 1st, 2004, 12:53 PM
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Chris Davis
94 NAS D90 6.2LS
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I would first figure out which is ground via an ohm meter and then find out by measuring the resistence which is high/low fan. Just match that off your old unit.
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Old October 1st, 2004, 01:03 PM
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Chris Cox
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Chris Cox
94 D90 SW, 300tdi
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Green/slate on resistor connects to black on fan.

Green on fan goes to purple/green on main harness.

Green/slate on resistor goes to main harness. (there are 2 green/slate on my resistor).

Green/slate on resistor goes to black on fan.

Green/yellow on resistor to main harness.

Are your 3 wires you are talking about coming out of the resistor? If so, one of the red or brown would be a hotwire for the fan. The other wire for the fan, probably green, hooks to the purple/green. The other 2 would go to Green/slate and green/yellow. I may be wrong, and sorry if I added to the confusion, but it is hard to picture not looking at your setup.

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