Operation CHARM: Car repair manuals for everyone.

Circuit 31, 31A

CIRCUIT 31

Location:
Circuit 31 connects I/P connector cavity T to I/P to engine in-line connector cavity C. Circuit 31A connects I/P to engine in-line connector cavity C to oil pressure switch/sender cavity B (marked Switch Con switch/sender body).

Type:
CKT 31 - Tan 22 gage wire.
CKT 31A - Tan 20 gage wire. (MFI engine only.)

Repairs:
Check for OPENS/SHORTS.

Repair as needed.

If this component is good, go to the next item indicated on the SYMPTOM CHART.


CIRCUIT 31A

Location:
Connects I/P to engine in-line connector cavity C to oil pressure switch/sender cavity B (marked Switch on switch/sender body).

Type:
Tan 20 gage wire. (MFI engine only.)

Repairs:
Check for OPENS/SHORTS.

Repair as needed.

If this component is good, go to the next item indicated on the Symptom Chart.