Operation CHARM: Car repair manuals for everyone.

Grounds Circuits Testing


I/P Splice Pack #1


Location: Taped to harness behind I/P cluster.


The systems grounded by I/P Splice Pack #1 are grounded redundantly with I/P Splice Pack #2 at ground point location D (I/P chassis ground). If one of the following systems is operating normally, the ground circuit is most likely good.


^ Perf/Norm switch


^ I/P dimmer


^ Cruise module


^ Headlamp switch


^ Cigar lighter element


Check for OPENS/SHORTS.


Repair as needed.


If this component is good go to the next item indicated on the "Complaint-Condition" chart.


Circuit 35OY


Location: Connects I/P ground splice pack #1 cavity A to chassis ground ring terminal.


Type: Black 18 gage wire


Function: This circuit provides ground for the I/P ground splice pack #1.


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.


Circuit 35ON


Location: Connects instrument panel junction block connector cavity A1 to I/P ground splice pack #1 cavity K.


Type: Black 14 gage wire


Function: This circuit provides ground for the instrument panel junction block.


Check for OPENS/SHORTS.


Repair as needed.


If this component is good, go to the next item indicated on the "Complaint-Condition" chart.

Circuit 550G


Location: Connects window switches connector cavity E (SL, SW) or B (SC) to right body ground ring terminal.

Type: Black 14 gage wire


Function: This circuit provides ground for the window switches.


Check for OPENS/SHORTS.


Repair as needed.


If this component is good go to the next item indicated on the "Complaint-Condition" chart.