4pin ECT
01-17-2019, 05:36 AM
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Mercedes 220 coupe W124
4pin ECT
I have a 1995 W124 220 coupe, when i purchased the car it has a 4 pin ECT, however on all wiring diagrams it shows a 2 pin ECT, I am wondering if someone installed a 4 pin ECT for some reason. My question is what should it have a 4 pin or 2 pin ECT and I cannot find any wiring diagrams to show where the 4 wires go to. Obviously one ground and one live go to ECM but what about the other two?
