I posted a thread looking for new Cj heater box parts and someone posted on using a Yj box. I asked and looked but couldn't find a write up on a Yj heater swap. Has anyone done this and is there a write up?
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Originally Posted by berserker
Sometimes it a good idea to pull a vacuum hose before the wife rides in it--you can tell her you need a new ____ and once you get your new ____ you can reconnect the hose. :)
84 Cj 7 w/ 4-Banger, 4.5" BDS lift, 1/2 Trans Drop, Twin Stick, 32" Tire, Front Aussie Locker, No Sound System Yet, No Armor, Warn 8274 Not Installed, Webber Carb Upgrade, Luckycheese Ing. Upgrade...
I had posted a while ago about a mutt setup of some YJ parts inside the CJ case... you need the CJ case back plate to fit up nicely in the CJ and if you did a YJ tub swap, then the YJ back plate would fit nicely. they are essentially the same.
the issue I had was that the bolts snapped off when removing the back plates.
I have modified a couple YJ 258 heater boxes with the big GM blower motor and these ones looked the same as the CJ one so no real modifications were needed. oh, the switches were different, the YJ blower motor switch only has a low on it, no off, the off is on the vent control. Don't know that that matters if you use CJ controls.
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
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Absolutely on the upgrade as well, however, the cables attaching to the outer part of the heater box and the side near the passenger door is much different, you could probably get them to work, but I never tried to do that. I just used the backing plate as those were the same... I also used the YJ blower motor as well as the YJ deflector on the bottom.