Question about 1993 Jeep Wrangler

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1993 Jeep Wrangler Fuse #12 melted and that's the one that goes to the heater and A/C do i replace the fuse or get professional help?

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Well you can try and replace the fuse, but it might burn the vehicle to the ground or might not. If the fuse has melted then I would guess that there is not much voltage going through that circuit, since if it was amps the fuse would have simply blown.
If this is the case then replacing the fuse won't help, go to a good shop and tell them all you can. To find a good shop ask around to friends and see where they have gone or go and talk to the shop and see if they give you straight answers or a bunch of things you don't understadn. I find a good shop can usually explain things clearly and simply without insulting your intelligence.
Best of luck

Posted on Jun 22, 2009

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Posted on Jan 02, 2017

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1 Answer

2005 Jeep Wrangler Heater and Cigarette Lighters not working.


May help - fuses supply power but also needed is earth return to battery. This is usually black wires running from device to the car metal. To diagnose you need a multimeter. Check body of cigar lighter is connected to the chasis with meter on ohms. (continuity test) good is zero ohms. If earth problem, check under dash to ensure all earth wires connect to metal chassis. Then with ignition on, check centre pin at back inside cigar lighter has 12 volts to side.
If not then check fuse has 12 volt to it, Now you can get to the fan, repeat all the tests on fan. Best wishes, its tedious work.

Jan 03, 2014 | 2005 Jeep Wrangler

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93 4.0L wrangler blower motor works when hot wired direct. No voltage at heater fuse mini-fuse box under dash? Where do I track voltage backward from there?


The 25amp blower fuse is powered thru the key switch.
Do you have power at the key switch for that circuit when it is in the on position ?

Apr 20, 2013 | 1993 Jeep Wrangler

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I just bought a 1993 jeep wrangler 4wd. The only thing is the horn isn't working. How can I fix this?


First check that the fuse for the horn is good and if it is you will need to replace the horn relay that is found in the under hood high amp fuse box.

Feb 22, 2011 | 1993 Jeep Wrangler

1 Answer

Tail lights and parking lights not working on a 1993 jeep wrangler...replaced fuse


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Dec 21, 2010 | 1993 Jeep Wrangler

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2000 A6 BLOWS #25 FUSE


A/C keeps blowing the fuse after I got it recharged. Its the R-12 system and it seemed to be ok before but now I got it recharged and replaced the blower motor in the front and now as soon as I turn it on it blows the fuse. I replaced the 3 fuse black and even rewired the fuses then took off the connectors tot he rotary switch and replaced those but it still blows the fuse. Any suggestions?

Could I have messed something up on installing the blower motor. __________________
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please comment on these solution

Dec 20, 2010 | Audi A6 Cars & Trucks

1 Answer

THE PROBLEM IS WHEN YOU HIT A BUMP IT BLOWS THE #12 FUSE AND DIES REPLACE THE FUSE AND IT WILL START


u have wires shorting together when the vehicle is shook that needs to be sorted now or it could melt the wiring loom

Apr 16, 2010 | 2000 Jeep Wrangler

1 Answer

I have a 1999 jeep cherokee 4.0 when you turn the blower motor on it shuts down the radio,tach,speedometer why.


Although vehicle electronics is not my strongest suit, I will tell you about the problems this year has had with HVAC components: The resister is a known problem which can heat up and melt wires and cause problems and "back feed" current into joining harnesses and melt and fuse them together causing you your grief. It should in all honesty, blow fuses when it does this but I did not encounter this when my hvac system was bad. Sometimes, the heater blower motor gets old and draws too much current as well and allows current to back feed into joined harnesses as well. Replace the black relay on the passenger side under the glove box with a high quality one. Check your resister,and blower fan for appropriate current and grounding. If you are having other related issues with your heater blower speed your selector switch may be bad too. Remove the cowling panel and pull the hvac module out of the dash (like a stereo) check for melted wires,plugs and harnesses. Run your fingers along the wiring and check for melted fused spots. Are you blowing fuses? This is your starting point. Let me know once you get this done and tell me what you have found. Take care and let me know how it goes.

Apr 10, 2010 | 1999 Jeep Wrangler

1 Answer

What size fuse goes in position #4? What are


From the Jeep TJ Wrangler 2004 - Owners Manual (Section 7, Page 255):
Fuse 4 -->> 10 Amp Red -->> Door Switch Defeat
Fuse 16 -->> 10 Amp Red -->> Headlamp Aim (Export only)
Fuse 20 -->> 20 Amp Yellow -->> Transmission: Manual - Clutch Interlock switch by-pass Automatic - Ignition Starter Circuit

I really hope helps with this (remember rated this help). Good luck.

Dec 16, 2009 | 2003 Jeep Wrangler

1 Answer

1993 yj jeep from BC.


Often, one bulb goes out, you don't notice, then when the other goes out, someone finally tells you! Check for power and good ground at lights (don"t forget... someone has to step down on brake or there will be no power there!!) If no power, check fuse and brake light switch. In general wiring does not go bad often enough to be of concern.

Jul 30, 2008 | 1993 Jeep Wrangler

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