Overlandmark2020 Posted January 4, 2021 Share Posted January 4, 2021 I am wanting to swap my basic gauge cluster that is in my 89 comanche. I have 2 gauge clusters that are out of 90 model cherokees with rpm,oil , temp etc. My comanchee is a 2.5 4 cylinder and the cherokee has a 4.0 inline 6. My question is, will the gauge cluster from the 6 cylinder cherokee swap in to my 4 cylinder Comanche without to much trouble? Link to comment Share on other sites More sharing options...
89 MJ Posted January 4, 2021 Share Posted January 4, 2021 @eaglescout526 might be helpful with this. Link to comment Share on other sites More sharing options...
Jesse J Posted January 4, 2021 Share Posted January 4, 2021 that's what I was going to say. I want to say it's no big deal but I could be wrong Link to comment Share on other sites More sharing options...
eaglescout526 Posted January 4, 2021 Share Posted January 4, 2021 It will directly swap. You will need to remove the tach from the housing and adjust it to match the actual RPMs of the engine. It’s best to have nickintimes REM to get the tach reading to the right pulses. I want to say moving the potentiometer to the right is for 4 cyl but it still needs to be adjusted as I thought moving it all the way to one direction would read right but it read like a 3 cyl. So it’ll take a few trial and errors to get it to read right. Link to comment Share on other sites More sharing options...
Overlandmark2020 Posted January 4, 2021 Author Share Posted January 4, 2021 8 minutes ago, eaglescout526 said: It will directly swap. You will need to remove the tach from the housing and adjust it to match the actual RPMs of the engine. It’s best to have nickintimes REM to get the tach reading to the right pulses. I want to say moving the potentiometer to the right is for 4 cyl but it still needs to be adjusted as I thought moving it all the way to one direction would read right but it read like a 3 cyl. So it’ll take a few trial and errors to get it to read right. Thanks for that information, that's what I needed to know. Link to comment Share on other sites More sharing options...
eaglescout526 Posted January 4, 2021 Share Posted January 4, 2021 No problem. Good luck with the swap! Link to comment Share on other sites More sharing options...
Overlandmark2020 Posted January 5, 2021 Author Share Posted January 5, 2021 10 hours ago, eaglescout526 said: No problem. Good luck with the swap! Thank you! Link to comment Share on other sites More sharing options...
mnkyboy Posted January 5, 2021 Share Posted January 5, 2021 If your current cluster has dummy lights, you will also need to replace the sending units, the ones from the Cherokee you got the cluster from would work. There use to be some write ups floating around the web with good pics for calibrating the tachometer, you might be able to find them, but either way it's not too difficult as long as you have some way of reading rpm. Link to comment Share on other sites More sharing options...
Submariner Posted January 12, 2021 Share Posted January 12, 2021 Just find a set that you want from a cherokee and it is a plug and play. Link to comment Share on other sites More sharing options...
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