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Unread 02-24-2013, 03:42 PM   #1
cstone94
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1995 YJ Wrangler 
 
Join Date: May 2011
Location: Martinsville, VA
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Fuse #9 Keeps Blowing

The #9 fuse, which is a 15 AMP fuse that powers the gauges and info lights on the dash keeps blowing. I've gone through 3 in 10 minutes. What would cause this?

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95' YJ - Warn Bumpers/Tire Carrier/Winch - 2.5L - 6" Skyjacker Suspension Lift - 4.10's - Locrite Locker - Dana 35/30 - 35" BFGoodrich KM2's

11' F250 - DD

1982 Toyota Pick-Up - Spray-On Yellow Rhino Lined - Chevrolet 305 H.O. - SM465 - NP208C - All-Pro Off Road 5" Springs - 35x15.50x15 Super Swampers
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Unread 02-24-2013, 04:55 PM   #2
pete1991YJ
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A direct short somewhere in the gauge harness.
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Unread 02-24-2013, 07:19 PM   #3
cstone94
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Do I need to remove the dash to get a view of all this? Should I go ahead and clean up all the contacts for the gauges while I fix this problem? Anything else I should do while the dash is out?
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95' YJ - Warn Bumpers/Tire Carrier/Winch - 2.5L - 6" Skyjacker Suspension Lift - 4.10's - Locrite Locker - Dana 35/30 - 35" BFGoodrich KM2's

11' F250 - DD

1982 Toyota Pick-Up - Spray-On Yellow Rhino Lined - Chevrolet 305 H.O. - SM465 - NP208C - All-Pro Off Road 5" Springs - 35x15.50x15 Super Swampers
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Unread 02-24-2013, 07:28 PM   #4
pete1991YJ
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Quote:
Originally Posted by cstone94 View Post
Do I need to remove the dash to get a view of all this? Should I go ahead and clean up all the contacts for the gauges while I fix this problem? Anything else I should do while the dash is out?
I would at least pull the center 4 gauges and the trim around the speedo and tach. Then pull the radio and ashtray. It makes it *much* easier to poke around in there, and it isn't hard to do. Philips head screwdriver is all you need. Helps to magnetize it so the screws don't fall off and disappear. Might as well get the contacts while you're at it.
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Unread 02-24-2013, 09:00 PM   #5
cstone94
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Quote:
Originally Posted by pete1991YJ View Post
I would at least pull the center 4 gauges and the trim around the speedo and tach. Then pull the radio and ashtray. It makes it *much* easier to poke around in there, and it isn't hard to do. Philips head screwdriver is all you need. Helps to magnetize it so the screws don't fall off and disappear. Might as well get the contacts while you're at it.
Okay, I won't have any time to work on it this week. I'll tear into it the first of next month when I'm off for spring break.
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95' YJ - Warn Bumpers/Tire Carrier/Winch - 2.5L - 6" Skyjacker Suspension Lift - 4.10's - Locrite Locker - Dana 35/30 - 35" BFGoodrich KM2's

11' F250 - DD

1982 Toyota Pick-Up - Spray-On Yellow Rhino Lined - Chevrolet 305 H.O. - SM465 - NP208C - All-Pro Off Road 5" Springs - 35x15.50x15 Super Swampers
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Unread 02-24-2013, 09:20 PM   #6
Old4X
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You can have the whole gauge cluster in your lap in under 5 minutes, not difficult at all.
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Unread 02-25-2013, 10:03 AM   #7
Que89YJ
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You are dealing with an intermittant short. That fuse suplies Defogger relay and switch, guage pack, tach, buzzer module, indicator lamps and the mainteance timer. The best way to troubleshoot it is the old shake method. The old light bulb method is the best way. Look at this video. I usually just use a light bulb and socket myself. The bulb itself will act as a fuse if the current draw gets too high. I use the intensity of the bulb to tell if the current draw goes up(short). Start by checking the cluster. Corrosion is very common on the circuit board.
http://www.jeepforum.com/forum/f12/r...er-how-991307/


Here is a search for that fuse blowing.

http://www.google.com/webhp?hl=en&ta...w=1688&bih=759
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Unread 02-25-2013, 10:08 AM   #8
90DesertTanYJ
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As indicated this fuse covers quite a few components. You can try and unplug them all to check just the wiring then plug one back in at a time. The gauge cluster has a flimsy copper pathway piece that supplies power and grounds to all of the gauges. It is very prone to problems in our 25 year old vehicles. Unplug the whole gauge pack and see if its the problem. You can get an aftermarket supposedly improved pathway for about $80 off eBay. You can also hard wire the gauges to eliminate the problems forever.

Good Luck!
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Unread 02-25-2013, 10:33 AM   #9
cstone94
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Thanks for all the information! So when I pull the dash, should I look for a bad ground first? It seems like hitting a bump causes the short. I'm pretty new to electrical so bare with me!
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95' YJ - Warn Bumpers/Tire Carrier/Winch - 2.5L - 6" Skyjacker Suspension Lift - 4.10's - Locrite Locker - Dana 35/30 - 35" BFGoodrich KM2's

11' F250 - DD

1982 Toyota Pick-Up - Spray-On Yellow Rhino Lined - Chevrolet 305 H.O. - SM465 - NP208C - All-Pro Off Road 5" Springs - 35x15.50x15 Super Swampers
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Unread 02-25-2013, 10:45 AM   #10
pete1991YJ
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Quote:
Originally Posted by cstone94 View Post
Thanks for all the information! So when I pull the dash, should I look for a bad ground first? It seems like hitting a bump causes the short. I'm pretty new to electrical so bare with me!
Its not so much a bad ground, as it is a ground where you don't want it to be grounded.

If it seems like hitting a bump causes it, then that is a good time for the "shake test". Turn it all on while you have the dash out. Reach in and start grabbing wire harness. Try to shake or move it around. Pay special sttention to where the harness is near sheetmetal or moving parts such as pedals or steering column.

While shaking or moving it around, its bound to blow it again. Whatever is in that particular part of the harness is part of the prob.
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Unread 02-25-2013, 10:48 AM   #11
Que89YJ
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Turn on your tail lamps and check it with the shake test. If I remember right that one goes to the tail lights and the wiring shorts on the lamps is pretty common.
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Unread 02-25-2013, 10:48 AM   #12
cstone94
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Quote:
Originally Posted by pete1991YJ View Post
Its not so much a bad ground, as it is a ground where you don't want it to be grounded.

If it seems like hitting a bump causes it, then that is a good time for the "shake test". Turn it all on while you have the dash out. Reach in and start grabbing wire harness. Try to shake or move it around. Pay special sttention to where the harness is near sheetmetal or moving parts such as pedals or steering column.

While shaking or moving it around, its bound to blow it again. Whatever is in that particular part of the harness is part of the prob.
Okay thank you. Like I said, I won't have time to fiddle with it all this week since I'm at school. Spring break starts this weekend so I'll check it then.
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95' YJ - Warn Bumpers/Tire Carrier/Winch - 2.5L - 6" Skyjacker Suspension Lift - 4.10's - Locrite Locker - Dana 35/30 - 35" BFGoodrich KM2's

11' F250 - DD

1982 Toyota Pick-Up - Spray-On Yellow Rhino Lined - Chevrolet 305 H.O. - SM465 - NP208C - All-Pro Off Road 5" Springs - 35x15.50x15 Super Swampers
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Unread 02-25-2013, 12:05 PM   #13
Siva283
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Also check the Reostat and headlight switch. Mine was doing the same thing a year ago. It was a bad Reostat.(The dimmer wheel for your gauge lights). If I left it off it was fine. If I turned it on it blew the fuse. Changed it and the headlight switch since I had been have issues with it over heating and shutting my lights off. I have had no probs since. So you might want to check it as well.
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1995 YJ. 2 inch BDS Spring lift. 1 inch shackle lift. 1.25 inch JKS Body Lift 33x12.5x15's. Engo 10,000 pound winch.

[QUOTE=Magnum;14117863] I gave the Jeep the required offering of $$, sweat, and blood, and everything works fine now. -- Jim[/QUOTE]

[QUOTE=ldso;16498409]. It started with a $200 axle, and a few thousand dollars later I was done :)[/QUOTE]

[QUOTE=Luuca;16122017]diagnose the real issue before you start going all Obama on it - spending mad cash you'll need for other important things.

Ask me how I know...[/QUOTE]

[QUOTE=Overhead;17658665]this is also my second set of RC springs this year. I'd rather spend the money again and get something that will last.[/QUOTE]
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Unread 03-09-2013, 11:01 AM   #14
cstone94
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Here goes nothin

forumrunner_20130309_120046.jpg
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95' YJ - Warn Bumpers/Tire Carrier/Winch - 2.5L - 6" Skyjacker Suspension Lift - 4.10's - Locrite Locker - Dana 35/30 - 35" BFGoodrich KM2's

11' F250 - DD

1982 Toyota Pick-Up - Spray-On Yellow Rhino Lined - Chevrolet 305 H.O. - SM465 - NP208C - All-Pro Off Road 5" Springs - 35x15.50x15 Super Swampers
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Unread 03-09-2013, 11:11 AM   #15
cstone94
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I have no idea what I.should.be lookin for

forumrunner_20130309_121140.jpg
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95' YJ - Warn Bumpers/Tire Carrier/Winch - 2.5L - 6" Skyjacker Suspension Lift - 4.10's - Locrite Locker - Dana 35/30 - 35" BFGoodrich KM2's

11' F250 - DD

1982 Toyota Pick-Up - Spray-On Yellow Rhino Lined - Chevrolet 305 H.O. - SM465 - NP208C - All-Pro Off Road 5" Springs - 35x15.50x15 Super Swampers
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