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Has anyone swapped an 07-later 5.3? No signal @ injector.

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Old 11-10-2008, 06:16 PM
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Default Has anyone swapped an 07-later 5.3? No signal @ injector.

my lkq 2007 7k mile 5.3 is not cooperating. Computer by Wait 4 Me & harness by Current Performance. Wired as instructed by Current Perf & I have no signal at the injector (tested w/ noid light). What now?
Jesse @ Wait 4 Me said there is no problem w/ the computer programming. He suggested there is not a full 12 volts to the injectors. I will check this shortly. Why wouldn't there be? He said there are problems like these w/ the 07 & later harnesses and thats why he doesnt touch em. Why is it this complicated. I did not intend to have 2 different places do my harness & computer but Wait 4 Me saved me $$$. May not have been worth the saved $.
Old 11-11-2008, 05:22 AM
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Should be 12V with the key on at the pink wire on each injector. Check it with a test light or something. Maybe just a fuse or something.




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