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07-26-2020, 01:52 PM
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#1 |
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Rusty Rockerfeller
 Join Date: May 2003
Location: South Georgia
Posts: 1,631
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Reversed battery now now power
A buddy was helping me work on my 85 K10 and hooked the battery up backwards. I heard a pop and seen smoke in the area in the picture. No power at all now. Please help!!
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07-26-2020, 01:58 PM
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#2 |
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Registered User
Join Date: Dec 2010
Location: livingston co.mi
Posts: 2,471
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Re: Reversed battery now now power
Check the block on the firewall.
__________________
California 65 GTO---Texas 64 burb 283 ---Oklahoma 67 CST SWB BBW wood bed 327 2004r---New Mexico 72 k10 350 350 auto---Georga 72 short step project |
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07-26-2020, 02:00 PM
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#3 |
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Rusty Rockerfeller
Join Date: May 2003
Location: South Georgia
Posts: 1,631
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Re: Reversed battery now now power
Is that a type of fusible link?
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07-26-2020, 02:04 PM
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#4 |
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Registered User
Join Date: Dec 2010
Location: livingston co.mi
Posts: 2,471
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Re: Reversed battery now now power
There should be.
__________________
California 65 GTO---Texas 64 burb 283 ---Oklahoma 67 CST SWB BBW wood bed 327 2004r---New Mexico 72 k10 350 350 auto---Georga 72 short step project |
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07-27-2020, 10:02 AM
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#5 |
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Registered User
Join Date: Jan 2007
Location: vernon b.c.
Posts: 3,022
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Re: Reversed battery now now power
happened to me too, was the little junction block on firewall as mentioned
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07-27-2020, 11:10 AM
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#6 |
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Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,620
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Re: Reversed battery now now power
The junction block itself isn't a fusible link. But one or more of the wires connected there have them. Also, fusible links can blow and still have most of the insulation intact.
A OEM fusible link normally is butt connected to the wire inside a hard plastic cylinder that is about 3/8"x1". |
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07-27-2020, 12:50 PM
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#7 |
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Rusty Rockerfeller
Join Date: May 2003
Location: South Georgia
Posts: 1,631
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Re: Reversed battery now now power
Is that a fusible link where the two wires going into one right before the junction block? If so what size link would i need?
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07-27-2020, 03:55 PM
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#8 |
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Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,620
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Re: Reversed battery now now power
Can't tell for sure. The pic pixelates too much on zoom in. My 75 has a single wire in that spot with a link and a 2nd single wire without. Don't know if OEM wire sets ever ran dual wires bound to one link. Could be a PO combined both wires on one link.
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07-28-2020, 06:28 PM
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#9 |
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Registered User
Join Date: Oct 2015
Location: Ottawa, Ontario, Canada
Posts: 769
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Re: Reversed battery now now power
Yes should be down a 6-8" on the first, then the other is down by the starter. The have black plastic joined in the middle of the wire at that point and that the {fusible link} so this is How GM did it if your wire lead is say is 14GAUGE the fusible link will be at the plastic 16GAUGE so it melts there but not the rest of the wire.
( But the Factory Gauge Fusible Links seem to be a little bit thicker then the After market replacements.)
__________________
 1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bedWas a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change. |
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