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Jeep Wrangler YJ
YJ General Discussion
Heater Control Connections Questions
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<blockquote data-quote="cas" data-source="post: 427808" data-attributes="member: 19210"><p>(edited several times as more things came back to me and I answered my own questions)</p><p></p><p>There's a micro switch on the right side of the heater control unit that is the true on and off switch, it's activated when you slide the lever to the right. The switch and plug shown are just the speed control. Power come from fuse number...... er I dunno. Bottom right one (?) on my fuse panel (??)</p><p></p><p>My micro switch had two wires on it (both white? maybe one with a trace? ).</p><p></p><p>So based on nothing but what I saw on mine, that black wire shouldn't be there, the big plug should. That single wire.. I thought MAYBE is supposed to go to your micro switch? But I don't think so, it's black and has an uninsulated end, so I'm thinking it's a ground, you'd need to wring it out for continuity. (I believe there's a light on the right side of the unit, that black wire could be the ground of your light. Who knows, Im just making wild guesses now. lol)</p><p></p><p></p><p>Recently, I just did away with my heater control unit for a couple reasons. Then not long after, but totally unrelated, it stopped working. I found one terminal in the fuse panel burnt up and blackend. When I tried to clean the terminal up, it snapped off. (swell) Not willing to mess with my fuse panel in the middle of winter (or ever really lol), I just ran a new heavier gauge wire for it from a new sub panel I'd added under the dash.</p></blockquote><p></p>
[QUOTE="cas, post: 427808, member: 19210"] (edited several times as more things came back to me and I answered my own questions) There's a micro switch on the right side of the heater control unit that is the true on and off switch, it's activated when you slide the lever to the right. The switch and plug shown are just the speed control. Power come from fuse number...... er I dunno. Bottom right one (?) on my fuse panel (??) My micro switch had two wires on it (both white? maybe one with a trace? ). So based on nothing but what I saw on mine, that black wire shouldn't be there, the big plug should. That single wire.. I thought MAYBE is supposed to go to your micro switch? But I don't think so, it's black and has an uninsulated end, so I'm thinking it's a ground, you'd need to wring it out for continuity. (I believe there's a light on the right side of the unit, that black wire could be the ground of your light. Who knows, Im just making wild guesses now. lol) Recently, I just did away with my heater control unit for a couple reasons. Then not long after, but totally unrelated, it stopped working. I found one terminal in the fuse panel burnt up and blackend. When I tried to clean the terminal up, it snapped off. (swell) Not willing to mess with my fuse panel in the middle of winter (or ever really lol), I just ran a new heavier gauge wire for it from a new sub panel I'd added under the dash. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Heater Control Connections Questions
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