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I'd like to start digging into my coolant wire problem tomorrow (light/buzzer always on ) but I'm wondering if anyone out there has a good electrical diagram so I have something as a guide. As it is, I'm going to have to tear the plastic wire "tunnel" open and trace it all the way back to the ECU, which doesn't sound like much fun at all....

Any help/suggestions would be appreciated!

JONSKI

The wiring diagram says BR/W = BRown with White stripe.

Doesn't www.iluvmyrx7.com have the wiring diagrams?

Lost Time

Just ground the sensor and the light/buzzer will go out.

1 BAD 7

I wish! But this is MY car we're talking about, and the simple things never work....

911GT2

Plus then you won't know if you're actually low on coolant. But hey, to each his own.

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Lost Time

I'm sure you guys realize, if that light comes on, it's already too late. It's the, "Oops, you just bought a rebuild" light.

Lost Time

Oh, and if you're serious about fixing it, save yourself some trouble. That wire never goes to the ecu. It goes from the EM harness to the D harness to the I harness. If you're looking for the problem at the ecu, you'll be looking for a LONG time.

1 BAD 7

Well, I was going to trace it from the sensor back, so I guess I would have figured out it doesn't go to the ECU. But regardless, my coolant is NOT low, and my engine is not toast. The sensor is f-d up or I have a short somewhere. Now that I think about it, I tried grounding the sensor and it didn't go off, but if the wire was already broken behind the alternator where it snapped off grounding wouldn't have made a diff.

I think I'm gonna try a new sensor first and go from there. Wish me luck!

-Mike

JONSKI

I really don't think it's the sensor. That wire broke on me and I had to fix it with new wire and electrical tape.

1 BAD 7

I tend to agree with Jonski. I'm going to re-attach the wire first and see what happens.