Re: Burnt fusible link - help
[Re: MoparABE]
#2551770
09/19/18 01:05 AM
09/19/18 01:05 AM
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Joined: Apr 2016
Posts: 356 Greenwood Lake, NY
fuelishnsilly
enthusiast
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enthusiast
Joined: Apr 2016
Posts: 356
Greenwood Lake, NY
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I agree. Check the positive stud on the back of the alternator as I've had them loosen up on my car over the years. Also, the ammeter could be a potential problem too if the thing grounded out.
inherited a 69 roadrunner from my grand pop.
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Re: Burnt fusible link - help
[Re: MoparABE]
#2551883
09/19/18 11:51 AM
09/19/18 11:51 AM
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Joined: Jan 2006
Posts: 3,535 Canuckville
68Cbarge
master
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master
Joined: Jan 2006
Posts: 3,535
Canuckville
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I had experienced in the past the fields in the alternator reverse polarity. When that happened it did snap the fusible link.
Run some wire from the battery stud back of the alternator to the battery stud at starter relay WITH A FUSIBLE LINK! If the link snaps right away,the alternator is no good. If everything lights up and runs fine,the ammeter gauge is no good. You can leave this jumper wire in permanently since it takes a load off the ammeter gauge and completes the curcuit between the + and - side of the charging system. Hope this helps.
'68 Newport Custom Barge on a Budget!! BOAB 1973 Satellite WAGON! 318- 3 on the tree!! 2008 Chrysler 300c HEMI!
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Re: Burnt fusible link - help
[Re: MoparABE]
#2551936
09/19/18 02:14 PM
09/19/18 02:14 PM
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Joined: Jul 2011
Posts: 960 Chicago
PurpleBeeper
super stock
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super stock
Joined: Jul 2011
Posts: 960
Chicago
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69Cbrge has some good advice. You have a dead-short somewhere. You could temporarily install an inline fuse in that circuit & carry a stack of fuses until you figure it out.
Anyway, check the charging system first as noted above + bulkhead disconnect. If those check out, start going circuit by circuit & disconnect them.....when your "fusible link fuses" stop blowing, then you know what circuit you have a short. Check your wiring diagram & see what's on that circuit. PIA, but basically just tracking down a short
70 Roadrunner convt. street car
440+6, NOS, 4-spd, SS springs
'96 Mustang GT convt. street car
'04 4.6 SOHC, NOS, auto, lowered
"Officer, that button is for short on-ramps"
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Re: Burnt fusible link - help
[Re: PurpleBeeper]
#2551954
09/19/18 03:03 PM
09/19/18 03:03 PM
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Joined: Jan 2003
Posts: 25,893 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,893
Rio Linda, CA
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You have a dead-short somewhere. You could temporarily install an inline fuse in that circuit & carry a stack of fuses until you figure it out. A breaker would be better.
The INTERNET, the MISinformation superhighway
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Re: Burnt fusible link - help
[Re: MoparABE]
#2552915
09/21/18 04:21 PM
09/21/18 04:21 PM
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Joined: Jan 2006
Posts: 3,535 Canuckville
68Cbarge
master
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master
Joined: Jan 2006
Posts: 3,535
Canuckville
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Thanks for the help, I traced it to a bad alternator, it was shorted internally causing a direct short to ground. I knew I was on the right track! Glad you found it! As mentioned before,leave the jumper wire in. Also for added insurance, bypass the bulkhead connector for the MAIN red wire.
'68 Newport Custom Barge on a Budget!! BOAB 1973 Satellite WAGON! 318- 3 on the tree!! 2008 Chrysler 300c HEMI!
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