fuel pump low voltage - Alfa Romeo Bulletin Board & Forums

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Old 02-08-2004, 12:53 PM
alfamarty's Avatar
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fuel pump low voltage

hi I am having a low voltage to the fuel pump- 86 gtv6 . when the cooling fans kick on I get only 10.5 volts when they are not on I get over 12v.when I operate the elec windows or heater fan I get a momentary loss of power (presumably because I'm not getting enough voltage to the fuel pump.other than that I get over 12v when its runiing or 14.5 v when it's charging. I've never used a forum before so excuse me if I'm doing this wrong thanls in advance
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Old 02-08-2004, 01:18 PM
papajam's Avatar
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Welcome to the Board, alfamarty!
Sounds like you have two things going on. The charging system needs to put out 13.5v minimum all the time the engines running; not 'over 12'. And there's excessive voltage drop to the fuel pump. Perhaps a corroded connection somewhere? I'll have a look at the schematic. In the meantime, someone with more GTV6 experience than I will probably chime in.

Series 1 Euro 1750 GTV
Series 2 USA 1750 GTV
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