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  #1  
Old 03-02-2008, 02:52 PM
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wiring or relay frustration

when i turn on the ignition the power level drops and 3 relays from the glow plug relay to 2 more at the fire wall and under the steering colum on the right side pulsate clicks in an on off rythym in unison. any ideas where my isue is?

how do i test the glow plug relay, the large 1 of the 2 relays on the right side of the fuel filter housing closest to the fire wall?

thank you
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Old 03-02-2008, 03:03 PM
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Does your truck start? Sounds like your low on voltage I will find the writeup for you to test the gpr
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Old 03-02-2008, 03:05 PM
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thank you. batteries are fine btw. please send me any tests to narrow this frustration down. thanks
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Old 03-02-2008, 03:07 PM
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Here is a pic of the glow plug relay.

Here is the link to testing the relay and gp's http://www.powerstroke.org/forum/gen...g-gpr-gps.html
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  #5  
Old 03-02-2008, 03:15 PM
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thank you, i'm on it!!
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  #6  
Old 03-02-2008, 03:28 PM
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my problem started trying to remove the bb mod, hoping it was the issue causing my knocking rough turn over of the engine. it will not run, just knock as it trys to fire. the fuel bowl is filling and there are no blown o rings there.
but as i have stated, i have anew issue now to overcome first. any help is appreciated.
__________________
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  #7  
Old 03-02-2008, 03:30 PM
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where is the fuel pump relay? i have realized that the previous owner hard wired it into the fuse panel. this causes it to never shut off with the key on.
any help in straightening this out is appreciated!!
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  #8  
Old 03-02-2008, 03:30 PM
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When you are turning the engine over what is the voltage drop on the batteries?
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Old 03-02-2008, 04:00 PM
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down to 8. with the pulsation of the relays now everything dims with key on, and just clicks at start attempt
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  #10  
Old 03-02-2008, 04:02 PM
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desert storm vet myself as well. 2nd air delivery, 2nd landing support battalion.
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