85 CJ7 heater wiring - JeepForum The blower in my CJ doesnt work and I have found the brown wire with the plug under the battery box. It isnt plugged in and I dont have a hayne's 85 CJ7 heater wiring - JeepForumAuthor: Axhammer Jeep-CJ Forums - Heater (Blower Motor) Wiring Based on my 75, I would guess your heater and your wiring harness have been upgraded at some point. The original (stock) would have been a 2 speed switch with the resistors built into it and the blower motor would have had 2 wires and a ground. Jeep CJ7 Update 15 - Heater Blower Motor Upgrade Click to view on Bing9:37Part 1 of a video where I upgrade my heater and run into problem after problem. Pain in the *$&#!Author: JD OfflineViews: 6 Jeep-CJ Forums - Heater (Blower Motor) Wiring if your control is open all the way from cold to the hot side and your not getting much heat you may need a new heater core and make sure your radiator is circulating properly , I used the blazer motor swap and have new radiator and heater core and all hoses and have excellent heat of course mine was easy as I had the jeep disassembled but the Jeep CJ5, CJ7 & CJ8 Heater System Parts from Midwest Jeep Midwest Jeep Willys specializes in parts for Jeeps, Willys and Willys Kaiser Jeeps from 1941-1971. We also have a large selection of parts for the newest Jeep models. Jeep parts for Wrangler, Cherokee & Grand Cherokee. All parts listed are aftermarket replacement parts. WIRING DIAGRAMS Repair Guide - AutoZone Fig. Fig. 20: 1983 Jeep CJ and Scrambler 4 cylinder engine, wiring schematic Heater Tech Tips on CJ3B Heater Tech Tips Heater Restoration. Bart McNeil posted on the CJ-3B Bulletin Board: "My '53 has a Harrison heater as seen under the dash on this rear 3/4 view from the Parts List (60K JPEG). Almost the whole heater unit is visible in the illustration.