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Gauge cluster conversion


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Just go to the junk yard and grab a full guage cluster from a cherokee with a cable driven speedo. You also need the temp sending unit located on the top of the motor next to the valve cover on the drivers side, and the oil sending unit located next to the oil filter. :thumbsup:

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I did that swap. If the donor had the same number of engine cylinders as yours, you're good to go. If it's different, you will have to adjust the tach.

 

Oh, I just replaced the temp sending unit with a dealer part. If you didn't grab that off the donor, I recommend getting the OEM Mopar part. My Autozone sending unit (possibly Wells brand) didn't last but about 8 months and 2K miles. :(

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I was pulling a cherokee cluster out of a salvage yard yesterday, and I traced the darn thing all the way to the firewall, but couldnt get the 2 plugs on the engine side to disconnect...so I went back and clipped all the wires that came out of the cluster. (The yard was closing and I had to go!)

Will this work to install into my 87 comanche, if I splice all the wires by color? I havent gotten the sending units yet, but if the tach is already in the harness, I'll be happy until I get them. Any thoughts? Did I blow it!?! Are there only 2 sending units to get?

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I was pulling a cherokee cluster out of a salvage yard yesterday, and I traced the darn thing all the way to the firewall, but couldnt get the 2 plugs on the engine side to disconnect...so I went back and clipped all the wires that came out of the cluster. (The yard was closing and I had to go!)

Will this work to install into my 87 comanche, if I splice all the wires by color? I havent gotten the sending units yet, but if the tach is already in the harness, I'll be happy until I get them. Any thoughts? Did I blow it!?! Are there only 2 sending units to get?

 

As someone else said, it's Plug n Play, and Plug is the key word. The harness has a plug that snaps into the back of the cluster (it presses against the flex circuit that is on the backside of the cluster). Now that you're not fighting with the harness holding the cluster a few inches from the dash, just gently pull/unsnap the donor plug out of your "new" cluster. You now have room to work. Splicing the new wires to your own wires is unncessary when you can get that plug out of the donor cluster with a little more effort.

 

Correct on just two sending units. Just oil and temp, and thankfully they are easy to get to on these engines! I would recommend you upgrade them asap so you have some means of knowing if there's a oil pressure or temp problem.

 

I would disconnect the water temp sending unit wire (pull it off the sending unit). I think the idiot light sending unit will cause the temp gauge to peg. I rather that gauge have no signal until it gets the correct signal to be safe.

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