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Unread 02-04-2013, 05:15 PM   #1
rdubya
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1995 YJ Wrangler 
 
Join Date: Jul 2010
Location: United States
Posts: 14
new heater question

I tried reading all the posts on heaters but mine seems different. Most folks don't get any heat or not enough mine will not turn off. Even when the vent is on the drivers side has heat coming in, cool on passenger side hot drivers. I don't mind now but last summer was not fun here in So Cal. What do I need to look at? Can someone give me and idea?

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Unread 02-04-2013, 06:45 PM   #2
Que89YJ
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1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit, Michigan
Posts: 15,412
The hvac levers and cables are not moving the doors. Check the cables are working.
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Unread 02-05-2013, 12:22 PM   #3
rdubya
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1995 YJ Wrangler 
 
Join Date: Jul 2010
Location: United States
Posts: 14
That was my first guess. Next question, I have factory A/C (yeah I know, what's that, but here in the desert with a hard top it does come in handy) will I have to drop the A/C or is there a way of looking, feeling around to see why they aren't working? What exactly should I be looking at? I've had my YJ since new and it is just now starting to have little things break. Backup light switch started to blow fuses. At Qudratack it was $19.99-$5.00 shipping, at 4Wheel Drive it was $89.99 for the same switch.
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Unread 02-05-2013, 01:17 PM   #4
jokerchief462
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1989 YJ Wrangler 
 
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Location: Sin City, Nevada
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B/U light switch may be shorted I would use a meter and check the wiring first.
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Unread 02-05-2013, 01:22 PM   #5
Que89YJ
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1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit, Michigan
Posts: 15,412
Check the 6 way connector that is below the battery at the bottom of the firewall. It is close enough to touch the exhaust and burn through the wires. Exact same thing was happening to me.
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Unread 02-05-2013, 10:02 PM   #6
rdubya
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1995 YJ Wrangler 
 
Join Date: Jul 2010
Location: United States
Posts: 14
It's the switch. Crawled under and disconected it a few days ago and put a new fuse in, no problem, reconect the switch, shift into reverse and the fuse blows. So far everything is working fine except I can't turn off the heater.
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Unread 02-05-2013, 10:18 PM   #7
jokerchief462
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1989 YJ Wrangler 
 
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Location: Sin City, Nevada
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The blower motor continues to run???? Slam the slide lever and hopefully the switch it actuated will shut off. Mine goes on and off on the trail all the time.
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Unread 02-05-2013, 11:15 PM   #8
rdubya
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1995 YJ Wrangler 
 
Join Date: Jul 2010
Location: United States
Posts: 14
It's not the blower motor. It's just heat. When I put the heat on it will work normal, when I move the levers to the off position I still get heat (not as much but still some hot air). If I move the levers to vent, cooler air comes in through the passenger side while hot air comes in on the drivers. It's not bad now but during the summer it's a real pain. I'm guessing the cables are loose or off, I just have to figure out how to get to them. I'm hoping I don't have to remove the dash or A/C.
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