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post #1 of 8 Old 11-01-2008, 07:05 PM Thread Starter
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GPR

So I think my GPR is going out. I put a voltemeter on the terminals and i read 10 and 11 volts when i turned my key on. Is that meaning a bad GPR???

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post #2 of 8 Old 11-02-2008, 03:15 AM
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wich side are both sides reading that because on side on my old one read 12.75
and when i turned the key the other said less then a volt so i relaced it and no it reads about 11.50 volts

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post #3 of 8 Old 11-02-2008, 06:45 AM
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Read between the two big terminals. It should read les than 0.5 volts, if more than that the GPR is bad. The 10v to ground could be batteries or weak GPR or bad connections.

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post #4 of 8 Old 11-02-2008, 06:51 AM
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what are your batterys at?

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post #5 of 8 Old 11-02-2008, 08:44 AM Thread Starter
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batteries are at 13.75. The two big terminals are the same voltage key on or off. The two small terminals are 0 on off and 10 and 11 on

2005 F250 6.0 King Ranch Crew Cab Short Bed 4X4
-MODS-
4" Turbo Back Straight Pipe
Sinister EGR Delete
Sinister Coolant Filter
Cat EC-1 Coolant



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post #6 of 8 Old 11-03-2008, 04:08 PM Thread Starter
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BUMP BUMP BUMP

2005 F250 6.0 King Ranch Crew Cab Short Bed 4X4
-MODS-
4" Turbo Back Straight Pipe
Sinister EGR Delete
Sinister Coolant Filter
Cat EC-1 Coolant



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post #7 of 8 Old 11-03-2008, 05:19 PM
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Key off one big terminal should be 13.75 to ground the other should be 0.
Key on both big terminals should be the same to ground but near 0 between each other.
As for the little ones, one should be always hot and the other is grounded by the computer when it wants the plugs to be on.

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post #8 of 8 Old 11-04-2008, 11:56 AM Thread Starter
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so my method by testing the two big ones together and then the two small ones together doesnt work?

2005 F250 6.0 King Ranch Crew Cab Short Bed 4X4
-MODS-
4" Turbo Back Straight Pipe
Sinister EGR Delete
Sinister Coolant Filter
Cat EC-1 Coolant



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