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Old 07-07-2012, 11:23 AM
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Boat: 1995 Mastercraft Prostar 205
Location: Kelowna BC
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Originally Posted by langedp View Post
No, the temp sensor with only one wire is for the dash gauge only. If you ground the wire from that temp sensor it will peg the needle on the temp gauge but that's it. The check engine light on the dash is supposed to come from the ECM so that it will flash the codes when you do the paper clip procedure. I found on my '94 that the check engine light was miswired. Might want to trace where the two wires go.
So I should be able to jump the two wires on the plug then and the light should come on

I will have a look at that

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