HOrnbrod

Old Group 58 battery: 760 CCA New Group 34 battery: 1000 CCA The 34 cost less too.

Group 34 (Non-R) battery. Fits fine on the stock battery tray and delivers 25% more CCA (760 vs. 1000) than the stock group 58 battery.

^^ This. I'd rather go with a 3" AAL bastard pack than anything from Rustys.

Huh?

Yes, Opsled's truck. But Pat thought it was his. :yes: It was an 86 as I recall.

The seller is the Self-appointed President for Life of the International MJ Diesel Preservation Society. I think he works for Eagle. :yes: :yes:

Oh damn! I was off ~150 RPM. Excuuuuuuuuuuse ME! :rotfl2: :rotfl2: :rotfl2: The tach is probably off way more than that............

Regear (not) or bigger meats (yes). :thumbsup: You should get (rent?) a handheld tach and check out your dash tach too.

4.56 w. 29" tires @ 75MPH = approx. 2600 RPM. Sounds about right to me. Plus your tach could be off a little. You need bigger meats mate.

What's your tire size? If your AW4 is going into O/D, that translates to about a 27" tire @ a 4.56 ratio.

She's an unmolested beauty! Someone obviously took great care of it. Single owner truck?

Old post. I had one put in years ago, a CRL 15' x 30" pop-up. No leaks ever, even through the car wash. Depends if the installer knows what he's doing, as in anything else.

The FSM "test" for the HO CPS is simply to check for an open across the pins. Every good and bad CPS I've ever checked had an open. Has anyone seen an ohms reading of anything else? At least with the Renix CPS you can test the output to semi-validate it; not so for the HO CPS.

Huh?

^^ Exactly. Anything else is a crapshoot. Including NAPA. But it would be nice if the HO CPS's were that reasonable. :(

33004761.

Uh, you realize the OP hasn't been here since 2008?

That info should be in the electrical FSM. Since the 87-90 models use the same TPS, you can download the 88 electrical manual here: https://onedrive.live.com/?id=C40904CFDA278A46%21115&cid=C40904CFDA278A46

That's for the 4.0. How about the 2.5?

The 2.5 and 4.0 TPS have different part numbers, so probably not interchangeable. Also the manual and auto tranny models use different TPS's for each.

FWIW, I've has two CPS's go bad over the years. Both times I got an 11 fault code. :dunno:

I don't know what wiring diagrams you are using but the reference voltage to the CPS for all OBD1 Jeep 4.0's is 5VDC. Follow the CPS harness up to it's connector, open it up, and clean it out real good. Dirty/loose pins on that connector can cause rough running for sure.

Those guys are used car salesmen, one of the lower life classes. They are experts at fishing for buyers with gills on their necks. Buyer beware.