Stop in for a cup of coffee

WV64Signet said

Thoughts here:

3 Temperature senders


#3 is the after-market, under-dash water temp
#2 is the factory dash water temp
#1 goes from the sender to a relay... from the relay to some solenoid?? regulator?? then into the bulkhead connector at B or F (alternator/ballast point)

Thoughts?

Electronic ignition?

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Oh F__
I forgot your car is a Canadian build. Different wire harness.
and then the engine is from somehting late model? yes? that would explain the extra sensors. Sixes got various temperature control valves for emissions systems earlier and beyond what the LA engines got

#1 looks like the temperature sender for a gage