Oh gosh [emoji85][emoji36]looks like a party!? Good luck but I can’t attend.[emoji23]


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Plenty of fun available!

 

I think your one by one approach is sound. But unless the connecting block has been fiddled with I think I'd go connector by connector testing each along the way. Since you have the wiring diagrams it should be tedious but effective. Be sure to make sure connections are clean and use dielectric grease on them when reassembling to help eliminate poor connections.

 

Definitely clean and grease the connections. I was planning on doing a continuity check of all the harness wires while its laying on the bench. Its from Deadjeeps and they are very solid, but always good to "trust but verify".

 

Good advice above. Here's my thoughts...
Lube your heater control cables. Wire tie them with the open end up and squirt your favorite penetrating oil down the open end. Try to do this daily until your new/used harness arrives. You might also give each heater box flapper joint a shot of oil too. Make sure that all the doors and flappers work easily. Here's a link to a YJ heater system. Check out the first few posts.

YJ Heating System Explained

I get asked a lot of questions about the YJ heating system and I've noticed a lot of posts on the forums about heater related issues. In fact, most people know very little about what exactly goes on inside the heating plenum when they slide those dash levers for heat or fresh air. And because...

www.wranglerforum.com

While the dash is on the bench is the perfect time to disassemble and paint it if it needs it. Replace the old and never real good dash speakers with a set of nicer or even premium speakers.

Good Luck, L.M.

 

Thanks LM, The heater core/blower motor replacement/upgrade was part of this project. Took the heater box apart and reworked everything. Appreciate the link to the post.
Great idea to lubricate the cables, they move easily now but great proactive step. Also bought a replacement (non-cracked) dash pad as part of this every growing project. All the plastic dash panels are in pretty good shape, so I've been wiping them down with 303 protectant.
Radio and speakers were already part of this project.....
Will paint the dash panel "while I'm there"
Thanks,

 

Just a quick follow-up, got the harness from Deadjeeps. Really complete harness with all interior lights, connections, etc. Even had the OEM radio and speaker connectors. Much better shape than what was installed!

Spent a few hours taking off the old tape and inspecting all wiring, checking and cleaning all wiring/connectors. Rapped with new sleeves to protect the wiring and bought some good dielectric grease for all connections.

Pulled the old wiring out yesterday and installed the new (used) harness. Little bit of a PIA, but only took about 2 hours.

Actually spent more time cleaning/inspecting.

Cranked up the engine, all gauges, lights, radio, speakers, etc working!!!

Even better, all half-a$$ wiring GONE!.

 

Don't throw anything away. No matter how buggered up what you take out may be, someone somewhere will need all or part of what you remove. The newest YJ is 27 years old. There aren't many new parts available for them any more. It's common for members to pay it forward and give odd spare parts or take-offs to other members.
Someone may need a plug or whatever off your old harness.

Good Luck, L.M.

 

Nice work.

 

Awesome, wiring is one of my favorites, glad you had great success, always feels good when you twist the monkey's tail and she fires right up!!!