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Old 07-18-2006, 09:22 PM   #1
keithblazer
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1991 s10 blazer no power to fuel pump

changed fuel pump it ran for 2 weeks then died checked for power goin to pump there was none cycled key a few times and pump ran. cant figure it out it has been running for a month then this morning no start. any ideas maybe a bad ign switch? cant find the relay was gonna change that thanks keith
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Old 07-19-2006, 12:04 AM   #2
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Re: 1991 s10 blazer no power to fuel pump

your relay is in the engine compartment on the firewall on drivers side. id check into the ignition switch.
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Old 07-19-2006, 08:15 AM   #3
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Question Re: 1991 s10 blazer no power to fuel pump

good circuit and ground and tight connection ? are wires under carpet of driver and worn down ?
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Old 07-26-2006, 07:39 AM   #4
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Re: 1991 s10 blazer no power to fuel pump

replaced the ign switch . the 1 terminal on it had no copper left on it it looks like it has not been making good contact for quite some time so far so good
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Old 07-26-2006, 07:17 PM   #5
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Re: 1991 s10 blazer no power to fuel pump

ooops it did it again while my sis went to start it. she had it towed in and when it rolled off tow truck it started. it has never quit while running though.
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Old 07-27-2006, 10:44 PM   #6
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Re: 1991 s10 blazer no power to fuel pump

looks like it could be the pass thru harness in the sending unit
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