Having problems with your Cars & Trucks ?
1978 CHEVY C10 6CYL OIL PRESSURE SENDING UNIT WIRING
\015 AFTER INSTALLING A NEW OIL PRESSURE SENDING UNIT, THE GAUGE NEEDLE PEGS AT THE HIGHEST LEVEL AND STAYS THERE AS LONG AS THE ENGINE IS RUNNING. THIS IS A 3-WIRE UNIT PURCHASED AT AUTO ZONE. TWO WIRES ARE IN A MOLDED RUBBER CAP THAT FITS ON THE END OF THE UNIT WITH THE THIRD WIRE ATTACHING TO THE TOP OF THE UNIT.\015
Take the sending unit back, either you truly have high oil pressure and you blow the oil filter or the sending unit is shorting together with power,or the harness has rub through together, either way get another part under warranty and go from there,and be careful how you install the unit
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