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Pretty sure those use the same fuse as the other tail lights.

Bulbs can look good and still not work, have you swapped them just to check?

Also have seen plenty of dirty contacts on LP lights cause them to not work. Remove them clean the contacts and reinstall with di-electric grease to prevent corrosion.

 

Use a Voltmeter to verify you're getting 12v to the sockets and make sure the ground is good. If not, look into a possible wire problem.

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Thnx, symptoms so far:

Checked with glow lamp, no power to sockets (new bulbs, cleaned contacts).

All other rear lights work.

Backup lamps in hatch work.

Rear wiper doesn't work, washer does.

 

Can't figure out where to start looking, safety check due by end of month (makes me miss Montana)

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Normally wire problems in the rear hatch are due to broken wires in the flexible section where the wire harness jumps from the body to the hatch.

If you don't find anything obvious there then you'll want to pull the panel off the hatch and look at the wiring in there for any breaks or obvious signs of damage.

Check the wiring going to the LP lamps and compare the wire color there with the wires at the flex section. If you find the same color, test at the flex section for power on that wire.

 

More than likely if the wiring is not broken at the flex and you have power up to that point, there is a break in the wire inside the hatch or a splice has corroded or broken between the flex and the lamp sockets.

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