cruiser54

How did you check the fuse? That is the main power for the TCU, Have you ever visited my website and completed Tips 1 through 5? 10 would be a good one to complete also. That TCU grounds at the most problematic ground point on your Jeep.

https://www.jeepforum.com/threads/converting-closed-renix-system-to-open-but-have-questions.3685313/

gogmorgo gives sound advice as far as diagnosis. Does your clutch slip under a load?

I used to recommend leaving the closed system alone. But, I don't anymore. The plastic pressure bottles available now are absolute junk. Take the opportunity to convert now.

CRAP ChineseReplacementAutoParts

This^^^

I think it's a total waste of time and effort.

In 1991, they went from a 20mm oil filter nipple to a 3/4" nipple. The metric filter threads on but also doesn't hold properly. Stripped oil filter threads or your oil filter loosening up are the result if you use the later filter in an earlier application. CRUISER'S MOSTLY RENIX TIPS RENIX OIL FILTER TO SAE FILTER JANUARY 3, 2016 CRUISER54 9 COMMENTS Tired of having a poor selection of oil filters for your Renix Jeep? Limited availabilty a pain for you? 20mm threads? We don’t need mumblemeter threads on our oil filters. Here’s a simple mod that allows you to use the very popular SAE threaded oil filters which are more readily available. The old standard 3/4″ SAE thread. You can purchase a new oil filter nipple from the dealer for under $10 and never be bothered again. Part number 53007563AB. It’s the one on the left. Or, grab one off a 91 and later XJ at the junkyard. Be forewarned though. You need a 7/8 wrench to remove a Renix nipple, but a 15/16 wrench for the later style. And just in case you need to replace your oil filter adapter o-rings, here’s a handy guide. Oil Filter Adapter O-Ring Sizes 87-90 Renix Model O-rings 0.799 x 0.103 AS568 size -117 1.296 x 0.139 AS568 size -219 2.484 x 0.139 AS568 size –230 Dealer Part Numbers for Renix. Sold individually: 33002970, 33002971, 33002972 Renix kit from Crown Automotive-33002970K 91-01 HO Model Orings 0.676 x 0.070 AS568 size -017 0.859 x 0.139 AS568 size -212 2.484 x 0.139 AS568 size -230

Yes. So will an 88 to 90.

Beware of CRAP. ChineseReplacementAutoParts.

Finding one that FITS is easy. Finding one that PERFORMS is when the factory stat comes into play.

Cleaning the coil connections won't cause a "no crank" condition. Explore the battery cables and starter wiring. Key ON, you should see lights on the dash. What do those lights do when key turned to "Start"?

Local dealer? https://duckduckgo.com/?q=mopar+83501426&atb=v1-1&ia=web

ever visited my website? www.cruiser54.com.

TSB # 18-51-88 You can effectively do almost the same thing by bypassing the C101 with the CPS wires.

Your 2.5 motor has a GM bell housing.

Sometimes the harness gets routed improperly and melts. Here's how it goes.

Call Chad at Golen Engines and see what he has for ya.

Do the cam.

Can't hurt. Tip 5 and 6 done?

I wouldn't rule out the TPS.

both equally hot?

Aren't Hemi manifolds BMFs?

The 89 came about when Chrysler first bought AMC.

AMC/Jeep was no suffix initially. No gaskets.