View Full Version : FSD/PMD wire harness question
tom.mcinerney
10-04-2003, 18:12
Can anyone identify the wires to the PMD? I see one grounds to the pump cover, two output to the fuel solenoid. I would like to know where each of the others go, by insulation cover color. Referral to a link, or a reprint article/year would do fine. I have the Helm emissions manual, and couldn't find its wires there.... Thanks.
Helm manual has pictures of the connectors (drawings actually) that identify the pin functions, from those you can divine this info- I think. The 2 that go to the fuel solenoid are red (solenoid signal) and black (ground, this combines w/the other black one in the harness which is also ground).
I can't remember if the FSD connector was in there or not, but it is discussed in the Engine Cranks But Does Not Run diagnostic chart.
This from the '98 Workhorse manual:
Pink- ignition voltage
Red- fuel solenoid high
Black- fuel solenoid low
Green- fuel solenoid control
Red- closure signal
Black- closure ground
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