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Old 03-30-2011, 06:25 PM
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Default how do you add a second battery?

2003 gmc 1500hd crew cab.

twice this week for some reason my lights did not automatically shut off... drained the battery and had to jump it.
id like to add another battery that my truck charges while driving but wont die if the lights stay on again. so if the lights stayed on and drained the first battery i could flip a switch or something and start my truck with the second good battery.

anyone done this?
i dont know what battery to buy(another sears battery? deep cell stereo battery?), or cable size or where to get a second battery tray or how to rig the switch.
know of a instructional video? web site?

thx in advance for any advice.
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  #2  
Old 03-31-2011, 03:00 AM
RUFFNECK4LYFE's Avatar
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You will just be in the same boat eventually with the second battery. Need to have someone look at it to fix the problem.
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Old 03-31-2011, 04:15 AM
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Yeah I can help you add a second battery (did it to my truck), but I wouldn't advise it... you've obviously got a problem and it's like putting makeup on an infection- you're just spending money to cover up the problem
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Old 03-31-2011, 08:11 AM
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Second battery is always good to have, but I think you need to pick yourself up a Headlight delay modual
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Old 04-01-2011, 02:48 AM
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thx for the advise,
now im thinking maybe it was my 1.5yr old that switched my light switch or something.
i let him play in the front seat alot, he likes to pretend hes driving. likes to push all the buttons, yank the gear lever, and try to step on the turn signal handel etc. ive been careful to watch the lights as i leave the truck lately and havent had a problem yet. im also trying to pay closer attention to what the lil one does in the truck but he hasent reached for the lights *** yet. ill let you know what happens. thx again for the help.
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Old 04-01-2011, 05:12 AM
jvp jvp is offline
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Just don't leave the keys in it or you just find out kids can just do the darndest things.
Remember they are watching all the actions, but that's life enjoy it

jvp
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Old 04-01-2011, 08:28 AM
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I am not sure if you have the same controls, but my wife's 2003 Tahoe has an adjustment for how long you want the lights to stay on for once the truck is shut off. When we got it is was set for the longest time and I actually thought something was wrong because they weren't shutting off. I changed the setting so they shut off within a few seconds now.
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Old 04-01-2011, 08:28 AM
 
 
 
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