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7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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Old 11-07-2009, 06:07 PM   #1 (permalink)
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Can you test the GP controller?

Well I was replacing my batteries a few weeks back and I might have fried something. My controller had been working but the two heavy yellow wires (fusible links) had burned out so I put about a 5' battery cable in place temporarily and all was well in the world. That was until I replace the batteries, see that cable was running over the pass. side battery and I tugged on it a little to get the old battery out and put the new one in. I connect the terminals and I hear the key buzzer run but the keys weren't in it. Get it hooked up and start it no problem but it won't shut off, pull the doghouse and find that my battery cable terminal to the GP solenoid had touched the white wire when I tugged on it earlier. Well now the GP relay wouldn't click anymore so I put a new one on and still nothing. There are no blown fuses and everything else works but the GP's. I'm thinking I might have shorted out the GP controller but I don't know how to test it. Also I tried to use a jumper to the white terminal to ground like some do for the manual GP mod and still no click of the relay.
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Old 11-07-2009, 09:54 PM   #2 (permalink)
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PM me your email addy and I will forward the test.....

Info sent this AM
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Last edited by cdnsarguy; 11-08-2009 at 08:51 AM.
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Old 11-08-2009, 03:06 PM   #3 (permalink)
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i would also like this sent to me as well i have the same problem...nobull4x4@yahoo.com
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Old 11-14-2009, 09:00 PM   #4 (permalink)
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need help will you please pm me how to test the GP controller @ ccastillo010@stx.rr.com i have a 1993 F250 turbo 2wheel dr.Z5
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Old 11-14-2009, 10:55 PM   #5 (permalink)
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Beazer I tried sending before and it was bounced back....... just sent it again
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93 F250 7.3 IDI S/C XLT 4X4 E40D 3.55LS, Captains chairs, Tutone Mocha, Leer 48" Hiboy cap, FR & RR hitches, full DeeZee running boards. Factory ordered/delivered Jan 93

Toys: 2006 37' Triple E Embassy coach (powered by Cummins), 18' Sylvan Pro Fish with Mariner motors.

Proud Canadian BOOB man too!!

Please PRIVATE MESSAGE only!! ...
Please DO NOT.....visitor message me...
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Old 11-15-2009, 11:52 AM   #6 (permalink)
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cdnsarguy i got it thank you for the help...my controller is shot.
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Old 11-15-2009, 04:04 PM   #7 (permalink)
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May i also have this sent to me as well. coleandjeana@yahoo.com
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