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93 Volvo 240 wiring for temp sensor 200 1993

posted by  Hack8 on  Wed Mar 2 17:26 CST 2022
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last visit: Tue Sep 23 14:00 CST 2014
[RELATED]

Hello All,

I've got a 93 245. I broke the wire plug for the water temp sensor.

I have the two wire type.

My question is which wire is positive or negative. The wire's are exactly the same blue with a red stripe. The new plugs wires are solid black and solid red.

I put a test light to each of the original wires. I tested the wires with the engine running and not running. No light with either.

I see on the original plug there is a 1 and a 2. That's of no use to me now as I've already cut it off before noticing.

How can I find which wire goes to the red and black wires of the new plug?

Many Thanks,
HACK






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