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Old 07-14-2005, 06:24 PM   #10
shorod
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Re: Re: Re: Re: Re: Re: Re: 1992 Taurus Fuel Pump / PCM

Quote:
Originally Posted by elvisload
I don't have battery voltage at pin 5 run or start position.

pin 5 - red lead with black on battery negative - failed test - zero Volts at run and start position

and,

pin 18 - black lead with red lead on battery positive - run position 12 Volts - start position Zero Volts!!




so,

I'll look for Voltage back at the inertia safety switch in both positions again but I doubt that it's there.

I did find two wires on the CCRM harness (very near the CCRM) that had been cut and then reconnected with wire connectors. They are at Pin 14 (orange) and Pin 18 (blue and orange). I'll pull those apart and reconnect them with solder.

Russ
Sorry, I guess I didn't pay close enough attention to your post. You're right, you probably won't see voltage at the safety switch if you don't see it on pin 5 of the CCRM. I wouldn't expect pin 14 to cause a no-start problem, it controls the low speed engine cooling fan. Pin 18 seems to be okay since you get voltage on it in the run position, but I don't trust crimp connectors, especially under the hood. If if isn't bad yet, it's only a matter of time.

Since you have battery voltage to both pins 12 and 18 in run, but not on pin 5, then I'd say there is a good chance your problem is the CCRM.

-Rod
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