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post #1 of 3 (permalink) Old 11-10-2012, 02:25 PM Thread Starter
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Join Date: Feb 2012
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Ok dumb question time, lol I have seen it befor but can't seem to find it now, where is the info and diagram to wire in a push button for the GPR? It's. already snowing here and don't have time to fart around with the gp system I will dissect it in the spring but for now was just gunna put in the push button on my 94.5 obs it's my plow truck so it has to start when I need it lol.... Thank you
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post #2 of 3 (permalink) Old 11-10-2012, 04:36 PM
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Is the relay working or not is the big question, if it isn't working just replace it. Or are you having problems even getting it to work such as no ground signal.

If there is no ground signal all you need to do is figure out which wire is hot with the key on that goes to the coil side of the relay. Then wire in a switch to ground for the other side of the relay.

96 F250 XLT 4x4, 4:10 gears, 5 speed, Tymar intake and HX hose, downpipe, pyro and boost guages, coolant filter, Luc clutch
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post #3 of 3 (permalink) Old 11-10-2012, 05:55 PM
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16ga red/green stripe is coil + for gpr. It is also the same wire for the fuel bowl heater and the IDM power. The other 16ga wire is purple/orange stripe which the pcm switches to ground in order to energize the gpr for a predetermined amount of time. If the purple wire does not switch to ground then it is possible that the semiconductor in the pcm is bad and you will have to wire in a switch to ground manually in order to operate your gpr or you can replace your pcm.

97 F-350 XLT CC DRW 4X4 PSD, 285/75-16 Custom bumpers, Gauges-boost/egt/trans, Swamps IDM, 3.5"dp- 4" exh., 3" Body lift, ES bushings/mounts, Built trans, billet conv, B&M pan, Hayden cooler, Adrenaline, stage 2's, IC, H2E, E-fuel
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