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About Rockfrog

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    MJ Junkie

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    Duncan, BC
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  1. When ordering parts, 87-90 are identical as far as the motor goes, there little to no difference on all the other parts, and those that differ are factory upgraded/superceded parts (thebdistributor is one, the 89-90 having less leaking issues than the 87-88). 2686 is the coreect head casting used from 87-90 53005535 is the correct Block casting used from 87-90 It is possible the motor was replaced with a newer motor in better condition. But other than a newer build date than the original, it is identical in every way to the 88 motor.
  2. Those wires run to a connector (or at least used to) that winds up coming out up by the heater hoses on the firewall. Comes up through in a 2 wire harness past the starter. Search thatvgeneral area and you should find either a 2 pin weatherpak connector hanging down, or a chopped up harness coming from under the trans tunnel.
  3. Aaaaand ... In the spirit of holy crap has it been that long ... Where to begin, just swapped on a set of 98 XJ manual crank doors, reworked some of the engine bay layout, mocked up the intake piping (sorta PVC-ish until the piping comes in amidst the COVID delays). Dropped a really rough passenger side cowl rise hood, and yeah it's gonna need some serious body work to look OK. Also swapped in a Liberty NP242 behind the AX15. This brings SYE equivalent beef to the table for minimal layout. Downside - no more speedo drive. 32 spline output front and rear (with no necking down, just one, big, solid shaft). So, now I'm working on a new dash with a gps speedo as the main attraction. Just got laid off so no better time to deal with that rotted out driver side floor pan, and fab 3-link mounts.
  4. Hello guys and gals, I'm on the lookout for a bench seat cover in grey, need the lower and upper, seat I have has no headrests. The specifics. Needs to be shipped to Canada. Yeah, it'll cost me, I know. Looking for just the covers not the entire seat assembly. Looking for Grey, or Black, but will consider Blue. Condition is my biggest concern, I have a ratty old cover currently so not interested in another. Currently rebuilding the seat foam and reconditioning the seat frame so willing to wait for a decent set. Yeah, I'm that weird dude going from buckets to a bench. Anyone have anything? Thanks.
  5. 1310 Sent from my SM-G930W8 using Tapatalk
  6. I'm interested in learning mor about that external voltage regulator. I have a 136A WJ alt I want to toss onto my 88. Sent from my SM-G930W8 using Tapatalk
  7. Anyone know what "Logic Ground" is supposed to mean? Sent from my SM-G930W8 using Tapatalk
  8. Board looks to be unscorched, and in good shape for having been sitting some time (I was given the jeep a while back, drove it on/off the trailer, but no registration makes it parts only. Several of which currently make Ratmanche move. Once I figure the pin outs, I can at least test it out. I wanted to put center dome lights in the MJ, this just seems a more fitting, and better looking set. Sent from my SM-G930W8 using Tapatalk
  9. Dug out my old 91 electrical FSM, and found wiring digram codes that match what I have, so that's a start. Looked in my 89 FSM and it only lists the SJ overhead, nothing for the 60/70 series (XJ/MJ) So, looks like I needs to start digging. Already located the temp sensor pins so that's easy, next I guess is what's input power and what's not really needed on the plug. Sent from my SM-G930W8 using Tapatalk
  10. I did find this, and the circuit board has a 1987 date code on it. Further research has led me to beive the consoles are the same up to 1995, possible 1997 when the design changed. Wiring is easy but reading the diagrams, not so much. Looks like I might need to grab the back half of the console possibly for further internal parts. The diagram references a compass module. I di grab the temp sensor and about 6' of pigtail so that's an easy one. Sent from my SM-G930W8 using Tapatalk
  11. So was pulling parts off a 93 XJ with all, and I do mean all, the bells and whistles. It had a power sunroof, so the overhead console was a two piece. Meaning the forward section was perfect size for the Comanche. So, anyone have info on how to wire this gem in? Sent from my SM-G930W8 using Tapatalk
  12. One of two things will make that light shine bright. The shuttle in the distribution valve has shifted - fluid loss, most likely to the rear circuits (you probably would have already noticed if it was to the front). The parking brake switch has grounded. Sent from my SM-G930W8 using Tapatalk
  13. Should work just fine, 242's only came stock behind an AW4, and mine's now living behind an AX15. The "medium length" input is rare, the short is the most common. Both the AW4 and the AX15 have plenty of room for either, and the short will work with either. The Long is a ZJ (Grand Cherokee) thing. Sent from my SM-G930W8 using Tapatalk
  14. Sway bar is four bolts at the uniframe, all easily accessible without moving anything. Upper control arms, lower control arms, ball joints, wheel hubs, steering interlink, tie rods, drag link, all accessible without touching the motor. If your doing all that might as well just pull the axle right out as well. Chilton's, Haynes ... All manuals made to send you to a mechanic. Had a Chilton manual, with the wrong firing order printed in it, ruin my day back in 1992. Common issue. Sent from my SM-G930W8 using Tapatalk
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