Question about 1998 GMC Yukon

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My Yukon drains the battery and the charging system isn't working. plus when I jump it off I get an arc like my cables are crossed. what is happening?

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  • 427 Answers

It arcs because there is current draw from the jumper cables to your vehicle. The system also will be drained if the charging system is not working. Turn the truck on and raise and hold the rpm to about 2000-2200. Turn on all electronics that you can find(blower motor on high, headlights, rear defrost, wipers, 4 way flashers, etc.). Measure the voltage at the battery with a voltmeter; it should be 13.5-15.5 volts dc. If it does not measure in that range the alternator is most likely bad. A worn alternator belt can also cause it not to charge from slipping/being loose.

Posted on Jan 02, 2015

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Posted on Jan 02, 2017

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SOURCE: needs a jump every day

It sounds like the battery has a dead cell in it. Replace the battery. If you have an alarm installed remove the in line fuse from the alarm and see if that stops the battery drain.

Posted on Oct 11, 2009

roniecon
  • 6826 Answers

SOURCE: I recently had a dead

Try disconnecting the negative battery cable for 20 seconds ,then re-attach it,see if it resets

Posted on May 11, 2011

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Hey there Ive had my 04 gmc yukon since new my first vehicle and most reliable until now and serviced it regularly recently it likes to play dead my doors wont unlock when i do get inside and try to s


Sounds like the battery is weak or the charging system has a problem...take it to an AutoZone or a WalMart Auto Service, they'll check it and tell you whether it's one or both for free...or, you can jump start it, and after it has been running for 5 minutes, unhook the battery ground cable...if it quits, you have a charging system problem, if not, the battery's bad...

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I have 05 kia rio. jump started dead battery but the cables were crossed and killed it instead. purchased new battery. car stuck in park. worked when screwdriver in override button but still won'


There is a large maxi-fuse between the battery and alternator. Its at least 100 amp or more. It may be in the cable at the battery, or in one of the fuse boxes.
You may also have damaged the key switch or the brake circuit.
You may have to get a book to get the wiring diagrams to check everything involved.

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Have a 2001 F350 7.3 - 3 weeks ago drove it and let set for an hour came out and was completely dead - no radio, lights, nothing. Tried jump starting ended up putting in 2 new batteries. Did the same...


Have the charging system checked. Autozone, Advance, and Oreilys will do it free. Check Diodes.

Some production years had a weird problem. Its worthy of mention but since you replaced the batteries, it should not apply. Watch your Charge, Voltmeter as sometimes the Alternator will disconnect automatically WHILE DRIVING at even 70mph. The system monitors your vehicle for PARASITIC drains and automatically disconnects the power connection as part of a Battery Saver.

So if Battery levels fall, causing the Alternator to work too hard to recharge a drained system, it will disconnect the charging circuit. Even if if you used a boost to jump the truck, it will charge for maybe 5 minutes and then disconnect.

Now for the battery to drain in 1 hour, you should have a glowing part. About the only thing which could drain that much power is a Rear window defroster or a stuck timer or power relay on the glowplug system.

The glowplugs could be remaining energized and you would not know it. A grounding starter could drain the system. Have a draw test performed.

Most anything else would break a fuse or burn a wiring connection.

Clean the Negative battery cable and if mounted to the block, check the engine to frame strap.

Please rate my info.

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If this is something that happen only once every in 6 to 12 months I think you are probably dealing with something that is human caused, something left on and not a mschanical issue. If it happens repeatedly when it does occurs then your parasitic drain is probably more of a short in the system. You can disconnect the negative battery cable to prevent yourself from getting stuck when this is going on. When this is happening you pull fuses for various systems and see if the battery still discharges the next day. If the battery is discharged the next day then those systems whose fuse were pulled are not involved. If the battery does not discharge then you have identified which systems are involved. Again this works only if you are having the battery discharge repeatedly.

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1 Answer

Needs a jump every day


It sounds like the battery has a dead cell in it. Replace the battery. If you have an alarm installed remove the in line fuse from the alarm and see if that stops the battery drain.

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