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 Fried and melted battery cables
#888390
06/02/08 04:37 AM
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Joined: Aug 2003
Posts: 135
OP
Wheeler
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Hey all, the other day I let my friend's wife borrow my truck to pick up some dirt, and while she was driving down the road the truck started smoking from under the hood. She pulled over and long story short, when I got the truck back to my house and got a good look under the hood, the positive cable from the starter to the battery was fried, as well as the negative from the terminal to the body. After doing some research it seems like I'm missing a ground-shouldn't I have a negative to the engine block and a negative to the body?
The cable from the positive to the fuse box looks OK, and the other wires leading to the starter seem OK too so I'll start with replacing the positive and negatives, and probably making some new grounds. Any suggestions or ideas on what might have caused this in the first place?
85 Pickup, Desert tan spray job, 3" Rough Country lift, Marlin shackles+bumper, Chebby igniter, 33x10.5" BFG's
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Re: Fried and melted battery cables
[Re: Multimetal]
#888391
06/02/08 08:06 AM
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Joined: Oct 2002
Posts: 15,887
Toyota & Classifieds Moderator
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No non-conductive covers on the battery terminals and/or no battery hold down. How's yours? Glad she pulled it over quick! <img src="/forums/images/graemlins/kewl.gif" alt="" />
The other ground cable you'd have would be from the pax lower front corner of the block to ground, usually the motor mount. There's also a pigtail ground on the firewall to the rear of the block on the exhaust side.
Give that starter cable a GOOD VISUAL inspection before you trust it again. Last, I'd unbolt the fuse block and turn it over to inspect for wire chaffing; it happens.
http://www.walkablecommunities.org/Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote. **ubi apis- ibi salus**
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Re: Fried and melted battery cables
[Re: kewlynx]
#888392
06/02/08 09:00 AM
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Joined: May 2008
Posts: 27
Getting the Wheeling Fever
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i had that happen on a mustang when the starter stuck there was a whine noise thouhg i thought it was the supercharged car next to me till i went to lauch and the engin died and smoke came out from under the hood. had to get pushed off the strip turned out that the starter stayed engauged and upon reving the engin it fryed the batt cables
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Re: Fried and melted battery cables
[Re: Ezrider_92356]
#888393
06/02/08 09:57 PM
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Joined: Jul 2005
Posts: 95
Getting the Wheeling Fever
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were you useing the stock battery hold downs? my guess is she turned, knocked battery off, and hit frame or metal and then it just went to hell from there
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Re: Fried and melted battery cables
[Re: philly]
#888394
06/02/08 10:30 PM
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Joined: Aug 2003
Posts: 135
OP
Wheeler
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The battery is still solid on the mount, I think maybe the cable had a break somewhere and sparked off the frame or body. When I get the cables off I'll see if I can tell.
85 Pickup, Desert tan spray job, 3" Rough Country lift, Marlin shackles+bumper, Chebby igniter, 33x10.5" BFG's
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Re: Fried and melted battery cables
[Re: Multimetal]
#888395
06/03/08 12:32 AM
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Joined: Sep 2005
Posts: 970
Rock Warrior
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I'm still perplexed by the lack of a ground from the battery to the engine block.
I don't see how it would even start w/o that, let alone, run. You must have a fabulous contact between the engine and frame/body. Perhaps that's what you lost, and started the fire... but I don't see how that one would just come off. Mine is (was) helt on with a loop, bolt going through it on the motor mount.
is that bolt still there?
With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.
Question Reality.
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'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah
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Re: Fried and melted battery cables
[Re: RatLabGuy]
#888396
06/03/08 02:57 AM
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Joined: Aug 2003
Posts: 135
OP
Wheeler
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I replaced the cables that were there today, just so I can check what's going on and to see if I'm missing anything here's the cables and contacts I have from the battery- Battery + to starter Battery + to fuse box Battery - to body If I'm missing a Battery - to engine block, can anybody post a picture or give a description of what I'm missing so I can get it right? Thanks a lot! UPDATE-I just now happened to drop a wrench so it was touching the + and the battery hold down at the same time-holy crap it was a shower of sparks and the wrench spot-welded itself to the battery hold-down before I could knock it off with a piece of plastic. Upon closer inspection the battery hold-down is melted into the top of the battery-looks like I'm in for a new battery and hold-down! That was a fun experience....... <img src="/forums/images/graemlins/zombie.gif" alt="" />
Last edited by Multimetal; 06/03/08 03:01 AM.
85 Pickup, Desert tan spray job, 3" Rough Country lift, Marlin shackles+bumper, Chebby igniter, 33x10.5" BFG's
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Re: Fried and melted battery cables
[Re: Multimetal]
#888397
06/03/08 03:24 AM
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Joined: Sep 2005
Posts: 970
Rock Warrior
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I replaced the cables that were there today, just so I can check what's going on and to see if I'm missing anything here's the cables and contacts I have from the battery- Battery + to starter Battery + to fuse box Battery - to body If I'm missing a Battery - to engine block, can anybody post a picture or give a description of what I'm missing so I can get it right? Thanks a lot! UPDATE-I just now happened to drop a wrench so it was touching the + and the battery hold down at the same time-holy crap it was a shower of sparks and the wrench spot-welded itself to the battery hold-down before I could knock it off with a piece of plastic. Upon closer inspection the battery hold-down is melted into the top of the battery-looks like I'm in for a new battery and hold-down! That was a fun experience....... <img src="/forums/images/graemlins/zombie.gif" alt="" /> Sounds like you need a new wrench too <img src="/forums/images/graemlins/butwiggle.gif" alt="" />
With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.
Question Reality.
-----------------------------
'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah
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Re: Fried and melted battery cables
[Re: RatLabGuy]
#888398
06/06/08 12:43 AM
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Joined: Aug 2003
Posts: 135
OP
Wheeler
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Update-I replaced the cables, battery, and terminals-now I get the solenoid click and whine and nothing from the starter. Maybe the starter got fried in the process? Looks like I'm replacing the starter tomorrow!
85 Pickup, Desert tan spray job, 3" Rough Country lift, Marlin shackles+bumper, Chebby igniter, 33x10.5" BFG's
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Re: Fried and melted battery cables
[Re: Multimetal]
#888399
06/06/08 01:47 AM
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Joined: Jan 2001
Posts: 11,595
Forum Moderator
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Yes, it probably got fried.
On replacing the starter, personally I would find a Denso starter from a junkyard. Parts store starters are junk.
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