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Hi. To remove the oil cooler you need to drain the radiator and then remove the oil filter, the block heater, and then unbolt the 5 bolts for the cooler.
The p/s pump stays on. You need to remove the entire cooler, then you generally do need a press to get the caps on with the new o-rings. The job is real easy it is just getting the peices of the cooler back together is a pain.
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The dark green/light green wire, is from fuse 59 (30amp) in the interior fuse panel. If you have power at the fuse and not at the relay, then there is a problem in the fuse box or on the wire somewhere from the fuse box to the relay. If you cant find the break, you can overlay a new wire.
No it does not bypass the module. The dg/lg wire should have power on it all the time. Then the 4x4 module applies ground on the brown/white or orange light blue, to work the relays.
Trace the wire out of the fuse box to the relays. THe wire is probably broken. You can use an ohm meter and check for continuity of the wire from the fuse to the relay. If the wire is broke you can overlay your own wire.
Nothing switches in the panel. Fuse 59 is hot all the time at the fuse box. Fuse 62 is for the power seats.
You might need the wiring diagram for this. I can offer it to you through the website. But there is an additional fee for the creation and sending of the pdf files.
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