Coolant temperature gauge not working

tintinmt

Active Member
Joined
Sep 30, 2020
Messages
50
Country Flag
uk
Lj70 (2l-T).
The coolant temperature gauge is not working.
I have tested by taking the supply wire to the sender to ground and the gauge goes to maximum.
I tested the sender itself as OK, but replaced it anyway.
The supply voltage to the sender seems to fluctuate, which seems odd to me.
What should I check next?
 
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