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NISTECH »
https://forums.nicoclub.com/nistech-u7581.html
Sat Jun 14, 2003 3:34 am
on the intake manifold near the front where the upper most hose for the radiator is connected. I suspect its not your sender though. typically when the sender goes bad it either goes to full hot or full cold. I think your gauge may be the fault or a partial short to ground in the harness. if it were the harness I would think the gauge would fluctuate. To determine if it is infact the sender try disconnecting it and turning the key on. it should go to the full cold position. and if you short it to ground the gauge should go full hot. If it does then that proves the rest of the circuit is functioning properly. if not then you have a problem somewhere else in the circuit.