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Old 05-18-2004, 03:19 PM   #1 (permalink)
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YJ91´instrument cluster wiring HELP

Hi there pirates
I need some help with the instrument cluster wiring of my YJ 91´2.5L, with the five instrument cluster (LtoR : water temp, gas, clock, oil press and volts).
After an engine rebuild, My water temp gauge has gone dead and I don´t know which is the wire that goes to it of the big connector on the back of the cluster.
It does not seem to be the sender that have gone bad as the ECU detects the sender and corrects the idle when I connect and disconnect it, aslo I have tried with the two senders I had at hand.
Therefore it seems to be or the wiring from the sender to the instrument cluster or the cluster itself. the rest of the instruments work OK.
Thanks

Eduardo
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91´YJ:Rover 4.2V8+TF727+NP231+crawler box/ XCL coilover 4-link/ 4.88+ARB/D30-superiorCrMo-F8.8/ 2xSAFARI/ 37" COOPER SST/9x17 W.Evans beadlocks/ COMM+NAV/ H2O proof electrics.
07´ JK 2.8CRD: 3" OME springs/ ProFender 2.5 adj rem-res/AEV snorkel Daily driver/280/75-17 COOPER STTMAXX
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Old 05-18-2004, 06:24 PM   #2 (permalink)
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there are 2 water temp sending units, one is for the computer, the other for the gauge, look for the one that is just a post, not a plug.
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Old 05-18-2004, 07:07 PM   #3 (permalink)
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two ???

The only one I was tinkering with is on the head on the front left side and has a waterproof connector in it. Where is the other one ?????

Eduardo
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91´YJ:Rover 4.2V8+TF727+NP231+crawler box/ XCL coilover 4-link/ 4.88+ARB/D30-superiorCrMo-F8.8/ 2xSAFARI/ 37" COOPER SST/9x17 W.Evans beadlocks/ COMM+NAV/ H2O proof electrics.
07´ JK 2.8CRD: 3" OME springs/ ProFender 2.5 adj rem-res/AEV snorkel Daily driver/280/75-17 COOPER STTMAXX
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Old 05-18-2004, 07:50 PM   #4 (permalink)
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You´re right I found the second FAWKIN sender !!!

I hate to admit I forgot about that thing that looks like a screw. Humans tend to ASSUME things... I assumed that the one in the front was the ONLY
sender.
I have gone to my place´s shop and checked the old engine and IT HAS THE sender in the back of the heads NOT the front like the computer one.
Tomorrow i will go to the garage and check the "new" engine in the car...but I am sure that I forgot to connect it, there must be a connector hanging around there.
Thanks for the two sender comment
Eduardo
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91´YJ:Rover 4.2V8+TF727+NP231+crawler box/ XCL coilover 4-link/ 4.88+ARB/D30-superiorCrMo-F8.8/ 2xSAFARI/ 37" COOPER SST/9x17 W.Evans beadlocks/ COMM+NAV/ H2O proof electrics.
07´ JK 2.8CRD: 3" OME springs/ ProFender 2.5 adj rem-res/AEV snorkel Daily driver/280/75-17 COOPER STTMAXX

Last edited by cybersniper; 05-18-2004 at 07:51 PM.
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