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Power Strokes
6.0 Tech
6.0 dies when warm
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[QUOTE="bismic, post: 1527110, member: 1537"] The IPR defaults to the open position. When you turn the ignition key on, 12v power (positive) is applied, but the valve won't move until the PCM apples the gound. So, the dealerships can command the PCM, but the average person doesn't have that equipment. - You can tap into the IPR ground wire and jumper it to ground. - You can get an entire new harness and rig up wires (end even a switch) to run it to power and ground - You can buy an already made harness, wires, and switch - you can backprobe a PCM wire and run it to ground at one of the PCM connectors You can use an old IPR connector (part # 6E7Z-12A690-DA) from an old harness wired to a cig. lighter plug and only keep it plugged in for only a minute or two (MAX of 120 seconds not to damage the IPR). You could also try asking a tech at your local ford dealer, maybe one will be nice enough to snip one off a harness that's laying around. Red wire switched power Pin 1 B+; Yellow/red PCM supplied ground Pin 2 B-. [url]https://www.denlorstools.com/home/dt1/page_47599_100/otc_6764_ford_diesel_6.0l_ipr_controller__tester.html[/url] Without a scan tool to take active command of IPR duty to 100%, you can do it by having the key in the RUN position, and jumping to ground pin #2 of C1381c (the middle of the three PCM connectors between the driver side battery and the inner driver side fender well which requires the battery cover removed to access unless it's MIA) which will be a yellow wire with red stripe. This is the ground side wire to the IPR. On the IPR connector, Pin 1 is VPower (switched power) and Pin 2 is the ground from the PCM connector. To get to the IPR - Remove the coolant reservoir and take the FICM and bracket off and remove the last intake bolt (and possibly the last valve cover bolt on the top edge) so you can get your hand back and unplug the IPR. Be VERY careful w/ the FICM connectors! [/QUOTE]
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