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Old Oct 1, 2005 | 02:50 PM
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Question Need Help Please!

just done the 10k mod and it doesnt work. ok heres what i did , put a three way switch in the cab, came off it with a 5.6 on one side and a 10 on the other side and third wire to the center. ran all three wires to the icp,hooked the top and bottom wires from the switch(5.6&10) to the gray wire on the icp and the center wire from the switch to the blue wire. cant tell any diff in the way the truck idles or runs and i get a check engine light when i switch it to either side.hope someone can help with this....and thanks
 
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Old Oct 1, 2005 | 03:54 PM
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It sounds to me like your theory is sound. The switch wiring sounds right, so it must be at the ICP. If it sets the SES light one would think it's wired wrong under the hood. Check the wiring at the ICP and make sure nothing is touching and grounding out.
Joe
on edit: are you sure you have a 3 position switch (on-center off-on)?
 

Last edited by JOE-M; Oct 1, 2005 at 04:50 PM.
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Old Oct 1, 2005 | 05:04 PM
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yep sure on the switch joe checked it with an ohm meter before install but thanks for your reply not sure where to go from here
 
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Old Oct 1, 2005 | 05:10 PM
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Three posts on the back of the switch or six?
 
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Old Oct 1, 2005 | 09:06 PM
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there was six post but hooked the wires all on the same side
 
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Old Oct 1, 2005 | 11:20 PM
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Ah....there's the problem.

Hook one resistor to each of the middle two posts. You can solder the pigtails from both of them to a single lead wire and tap that into the grey wire at the ICP. Then hook a lead wire to one of the top posts and the opposite side bottom post, "Y" those two leads together and tap the blue wire at the ICP with that lead. This will put the center position of the switch "OFF", and one of the resistors will be powered with up or down.
 
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Old Oct 1, 2005 | 11:25 PM
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hey great Ill give that a try scott, thanks evrybody for the help
 
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Old Oct 1, 2005 | 11:30 PM
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Originally Posted by ktahelton
hey great Ill give that a try scott, thanks evrybody for the help
Should work, that's exactly how mine was wired.
 
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Old Oct 2, 2005 | 01:34 AM
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ok - i ask again. What is the 10k mod?
 
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Old Oct 2, 2005 | 06:54 AM
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Originally Posted by GigAg04
ok - i ask again. What is the 10k mod?
10k mod is the act of bridging one of the sensor circuits with a resister to fool the HPOP into raising the oil pressure to the high pressure side of the injectors, which injects more fuel per combustion event. Adds power at the low end, not so much at the top end. The lower the resistance resister, the more power is generated. The lower the resistance, the rougher the idle is.
Here's a .jpg that I made a while back of the version that I put on my truck. There is one correction that must be made to the words on the picture. Substitute the word "series" for "parallel" in the upper left corner.
 
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Last edited by Kwikkordead; Oct 2, 2005 at 07:06 AM.
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Old Oct 2, 2005 | 12:14 PM
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awesome thanks for the info!
 
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