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Talk to me about no power to Main Fuel Pump - Need help 200 1988

uid 18083's pic
posted by  lucid on  Thu Mar 12 07:34 CST 2009
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

"I've got a cheap volt meter with a bulb so I'll be poking around with that."
•I'm not familiar with a meter & bulb combination, but assume the bulb load will prevent reading stray "ghost voltages" on the meter.

"I'm thinking with the fuses 4 and 6 jumpered I should be able to place the alligator clip into the lead and then find a good ground to see voltage, correct?"
• Not sure what "lead" you mean, but yes if 4 an 6 are jumpered on the left side contacts, the Main pump circuit should have 12V (Tank pump too if fuse 4 is in place).

"There are black and yellow wire leads into the pump - the black is probably the hot one but I'll check both hoping to get one to light."
• NO, the yellow is the hot side. Black is almost always ground in Volvo wiring.
--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.






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