GirsMJ86 Posted March 11, 2006 Share Posted March 11, 2006 can i swap gauge clusters between my 88 and 86? the 86 just has idiot lights, no rpm. the 88 has full gauges. and id like to have an rpm gauge in there. which i need to tear the 86 one out neways because the speedometer is startin to slip so i figured now would be the time to ask and do if i can. Link to comment Share on other sites More sharing options...
CWLONGSHOT Posted March 11, 2006 Share Posted March 11, 2006 Yes I believe you can. The troubles start when the electronics started, about '91. Yours on both should be cable driven speedo's. You will need a new or swap old sending units for coolant and oil from gauge vehicle. they are different for idiot lights. CW Link to comment Share on other sites More sharing options...
Pete M Posted March 11, 2006 Share Posted March 11, 2006 http://www.jeepin.com/features/gaugeswap/index.asp Link to comment Share on other sites More sharing options...
GirsMJ86 Posted March 11, 2006 Author Share Posted March 11, 2006 thx ill have to get on it b4 the 88 sells. Link to comment Share on other sites More sharing options...
Pete M Posted March 11, 2006 Share Posted March 11, 2006 Don't forget that you'll need to swap the ending units in the 88 for the switches. Otherwise the new owner won't have use of the temperature or oil pressure lights. Not cool. It may just be easier/cheaper to get a junkyard cluster. Jeep on! --Pete Link to comment Share on other sites More sharing options...
holeski Posted March 11, 2006 Share Posted March 11, 2006 This is a great swap. I have done it twice and I need to find a new one and swap it in my MJ now. Who ever thought that a gas gage the size of your head would be better then a tach in a 5 speed rig? I can’t stand not knowing what the motor is doing. Link to comment Share on other sites More sharing options...
Eagle Posted March 12, 2006 Share Posted March 12, 2006 Both the 86 and the 88 use a mechanical speedometer, but the cable connection at the speedo is different. You'll need the speedo cable from the same vehicle you get the cluster from. Link to comment Share on other sites More sharing options...
m0brando Posted March 12, 2006 Share Posted March 12, 2006 I'm getting ready to do this on my '92 (with a '93 donor). Anyone figured out if it's possible to move the odometer forward (112K to 177K) on a 91+? I've seen some posts on NAXJA but didn't find any concrete answers. thanks! Brandon Link to comment Share on other sites More sharing options...
Pete M Posted March 12, 2006 Share Posted March 12, 2006 Most everything I've read has recomended taking it to a shop. That way it'll be "legal" and what-not. Costs seem to range from $10-30. Personally, my 88 has had 3 clusters so far and I've decided that I simply don't care what the odometer says. (Speedometer doesn't work anyways due to the mismatch of an 88 truck and a 99 t-case.) :roll: Jeep on! --Pete Link to comment Share on other sites More sharing options...
jftimbo Posted March 19, 2006 Share Posted March 19, 2006 I am planning to do this swap myself in the next couple weeks. My only question is, about how long will this process take, and why does nothing need to be changed in order to make the tach work? Thanks in advance, Tim Link to comment Share on other sites More sharing options...
holeski Posted March 19, 2006 Share Posted March 19, 2006 They use the same wiring harness no mater what gage is used. Even if you don’t have a tach in the dash the computer still needs to know the rpms. Link to comment Share on other sites More sharing options...
comancheon33 Posted March 20, 2006 Share Posted March 20, 2006 I just did this swap on my 88 mj using a cluster from a 87 limited. You can tear apart the odometer to make it match. There is a write up on NAXJA about how to do it. My donor cluster had a 121k on it and truck has 131k on it. Really easy to adjust just take some time. Total time including swapping the sending units was around an hour and half to almost two hours. Hope that helps. Link to comment Share on other sites More sharing options...
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