1974 CJ5 Which Internal Regulated Alternator to upgrade to and how - Page 4 - JeepForum.com
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post #46 of 47 Old 10-12-2015, 06:54 PM
Cutlass327
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1978 CJ5 
 
Join Date: Jan 2009
Location: Beach City
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I would try to stick to a fusible link wire or I bought a weather proof circuit breaker. I popped my original fusible link when I was winching once - had the rpm set to 1500, 70+A alternator, and about 10' into the pull I lost the charging system.

I don't recommend a fuse, as after a while the connections may become loose/dirty and then the holder heats and fails. Or you get an amp spike and it pops to easily. I'm going to be replacing my headlight fuse soon with a breaker as the terminals have come loose a couple times and I've melted 2 fuses. Corrosion from winter water splashed and loose connections caused some heat. Someday I'll have the time to do the relay upgrade.


Rick

1978 CJ5 5.0HO/T177/D300, '86 D30/D44 WT axles, 'glass body, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy


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post #47 of 47 Old 10-13-2015, 05:27 AM
Mike Romain
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1986 CJ7 
 
Join Date: Nov 2007
Location: Off the Grid in Chester Grant
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Fuse link wire is the best way to go. It sells by the foot and needs to be crimped in place, solder damages its properties.
Normally you use a link wire 2 automotive gauge sizes smaller than the wire being protected. So for a stock 10 ga. alternator wire, you use 14 ga. fuse link wire.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
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