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95 Lumina 3.1 Sedan Fuel Pump relay clicking, no lights whatsover.
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stingray
User
Apr 29, 2014, 4:45 PM
Post #1 of 4
(1217 views)
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95 Lumina 3.1 Sedan Fuel Pump relay clicking, no lights whatsover.
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Unique issue here. Without key even in ignition, fuel pump relay clicks consistently every 8 seconds with the gauge lights illuminating during this 8 seconds. Again, this is with NO key. The only lights that function are the gauge lights. Upon turning on the headlight switch only the gauge lights illumin8. Absolutely no headlights, dome light or brake lights. No fuel pump sense/pulse. No radio, key on or in accessories.
Multi-function switch was not the issue.
How would I trouble
shoot this one?
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Hammer Time
Ultimate Carjunky
/ Moderator
Apr 29, 2014, 10:19 PM
Post #2 of 4
(1204 views)
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Re: 95 Lumina 3.1 Sedan Fuel Pump relay clicking, no lights whatsover.
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I would probably start at the fuel pump relay and determine which signal the relay is receiving that it shouldn't be and then track down why.
Here is the wiring diagram to do that. One side of the relay receives power all the time but the trigger power should only be at specific times.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
Apr 30, 2014, 12:09 AM
Post #3 of 4
(1194 views)
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Re: 95 Lumina 3.1 Sedan Fuel Pump relay clicking, no lights whatsover.
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You sure it is the fuel pump relay that is doing this? This is no way that the fuel relay could be doing that unless you have ignition power going to the PCM. With the ignition off there is no ignition power. That's unless someone has been doing some homemade wiring or added aftermarket equipment that effects those circuits.
Since you have no headlamps or brake lamps you need to start by having your battery tested and making sure your battery connections are clean and tight. Then make sure you have good clean engine and body grounds.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Apr 30, 2014, 12:11 AM)
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stingray
User
Apr 30, 2014, 3:53 PM
Post #4 of 4
(1177 views)
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Re: 95 Lumina 3.1 Sedan Fuel Pump relay clicking, no lights whatsover.
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Thanks Hammer Time & Discretesignals. You've given me some work to do. I shall keep you posted. Thank you.
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