Quote:
Originally Posted by Diseasel300
If the relay isn't engaging when it's supposed to, I'd be looking at the key switch, not the relay. You've already swapped it out with another relay and it seems to be engaging at the wrong times. It all strongly points to the switch being your suspect, not the relay.
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Hi,
Thanks for the input. I also suspected this, but I'm not convinced this is the problem because I confirmed that the ignition switch was sending a signal to the relay board by checking that pin 4 shows 12V when in position 2 (and 3, when cranking), and 0 otherwise. So it seems the key switch is engaging correctly. Here is the diagram:
I have no idea what pin 3 does, by the way. Also, as I stated before, 'half' of the relay engages, and the wires seem to get unusually hot. So this seems more like a short somewhere to me. But I could be wrong ...
Warmth,
Henry C.