When I start my truck the rpm gauge instantly jumps up to about 1100 rpm
And from 1100 to 7000 rpm it seems to work properly,
And when I turn the truck back off it goes to 0
I took apart the gauge cluster looking for a bad or corroded connection.
I did find a resistor on the rpm control board...
86 ford ranger stx
I’m trying to get the 4x4 working and I did some diagnostics on the 4X4 control module.
It had no power or ground so I chased the wires and I found a plug under the driver side dash that comes off of the control module wiring harness. the rest of the harness goes to the...
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