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alp
New User
Dec 11, 2006, 12:26 PM
Post #1 of 2
(1892 views)
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i have a 92 ford f150 and the fuel pump relay is not clicking on the problem is the lt blu and org wire is not grounding so the relay is not clicking on so iam thinking that if i ground the wire it will work but the wire goes in the computer and its a new computer and i don't won't to fry it can anyone help me
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steve01832
Veteran
Dec 12, 2006, 3:25 AM
Post #2 of 2
(1886 views)
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Remove the relay and check for power with a test light. You should have power in two relay terminals. If you have power, take the test light from the battery positive and go to the terminal that you said comes from the computer. Turn the key on engine off, the light should glow for a couple of seconds and go out. Crank the engine, if the light comes on, replace the relay. If the light does not come on while you crank the engine, check for spark. The computer may not be seeing a tach signal and therefore will not provide ground for the fuel pump, will not fire the ignition coil, and will not pulse the injectors. Let us know what you find.
Steve
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