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Fuel relay not switching on to all the fuel pump to come on

 
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Fuel relay not switching on to all the fuel pump to come on
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Barsax
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Joined: 20 Nov 2006
Posts: 4592
Location: St. Petersburg, FL, USA

Post Fuel relay not switching on to all the fuel pump to come on Reply with quote
Fuel relay not switching on to all the fuel pump to come on any suggestions?
fuel pump relay is good, already tested it, and the fuel pump is good tested it also.
Sun Sep 30, 2007 11:52 pm View user's profile Send private message   ICQ Number
nowhereBC
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Joined: 14 Nov 2006
Posts: 4557
Location: Vancouver BC

Post Fuel relay not switching on to all the fuel pump to come on Reply with quote
6 days ago
This is on a 93 beretta that's transformed into a race car, the fuel pump fuse in the fuse box has no wires going to it, we installed a switch to the wires that could go to the fuse box. to be able to shut it off if there was a fuel leak. when I apply a 12v source to the grey wire at the fuel pump it runs continuously.
Sun Sep 30, 2007 11:52 pm View user's profile Send private message  
shteff
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Joined: 23 Sep 2006
Posts: 4592
Location: Calgary, AB.

Post Fuel relay not switching on to all the fuel pump to come on Reply with quote
System isn't grounded. test the Switch itself then check for a loose ground.
Sun Sep 30, 2007 11:52 pm View user's profile Send private message  
milan
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Joined: 23 Oct 2006
Posts: 4588
Location: Scottsdale Arizona

Post Fuel relay not switching on to all the fuel pump to come on Reply with quote
IF it's a FORD product there's a device that trips like a circuit breaker in case of being rear ended. I have had it trip by backing into a pole. Most are located on the left side in the trunk, most times hidden by carpet.
Sun Sep 30, 2007 11:52 pm View user's profile Send private message  
EduCate
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Joined: 17 Nov 2006
Posts: 4501
Location: Ontario - California

Post Fuel relay not switching on to all the fuel pump to come on Reply with quote
Don't know if you know this or not, but the relay is controlled by a fuse. If it's blown it'll not come on.
Sun Sep 30, 2007 11:52 pm View user's profile Send private message  
Bryan9000
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Joined: 13 Nov 2006
Posts: 4619
Location: Newark, NJ,USA

Post Fuel relay not switching on to all the fuel pump to come on Reply with quote
check your fuses there should be one for the fuel pump if it's good there's a fuel safety shut off on cars in the trunk on the side and some trucks it's under the dash.
Sun Sep 30, 2007 11:52 pm View user's profile Send private message  
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