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runs but quits 200 1985

uid 18083's pic
posted by  lucid on  Mon May 10 12:14 CST 2010
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

"I had to persuade the main pump to come to life: I will look at replacing the main pump and accumulator."

1. There is no accumulator in the LH 2.2 FI system.

2. I would not replace the Main pump until making sure it is getting voltage from the fuse 4-6 fuse jumper.

When Fuse 6 (always hot) is jumpered to fuse 4 (where the pump relay normally sends voltage) it sends the voltage towards the main pump.

But on the way, that voltage has to get thru a connector under the left rear passenger seat, where the pump ground is also fastened to the 25 year-old floor sheet metal.

Those under-seat connections are known (if not common) trouble spots.



--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.






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