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Old 08-03-2012, 07:25 AM   #1
kenny k
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Default 1971 engine wiring

I moved the alternator to the passenger side so I have to lengthen the wires to the alt. do I solder them or use connectors. And the wires going to the starter are in bad shape from the heat and age, the fusible link needs to be addressed can I use a fusible link wire or should I try to find the old style that is there now,also can you soder those wires or use a connector. The wire is the red 10 gauge that on the starter . The purple wire has no fusible link do I need to put one there also? Thanks K.K.
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Old 08-03-2012, 10:39 AM   #2
TimAT
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Best option, (IMHO) is to use butt splice connectors correct for the gauge of wire, but strip the insulation off of them. Crimp as usual and then solder them. Wrap then each with some good tape (I like 3M's Scotch 33+) , and then wrap them as a bundle. Space the splices out so there's not a big lump in one spot. For the starter, wrap them again with some heat resistant tape.
The fusible links are available at your local auto parts store, just splice them in as normal. The purple wire is the "start" from the switch to the solenoid- no fuse link on that one.

(BTW- the method I described is right out of Boeing's standard wiring practice manual. The difference is the splices that are available from the parts store are not quite the quality Boeing uses- but they ARE cheaper)

Last edited by TimAT; 08-03-2012 at 10:41 AM.
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Old 08-03-2012, 10:49 AM   #3
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The fusible links are two wire sizes smaller(larger gauge number or smaller cross sectional area ) than the wire it protects. Ex 10 AWG circuit, therefore 14 AWG fusible link. or 8 AWG circuit therefore 12AWG fusible link.
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Old 08-03-2012, 10:59 AM   #4
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Follow TimAT's advice and you'll have no trouble as a soldered connection is the very best connection. Instead of using electrical tape I prefer to use about 4-5 layers of heat shrink tubing available from Radio Shack.

Before soldering it's very important to make sure the copper wire strands are real clean with no corrosion so if you have to clean them you can use a small wire buffing wheel and a Dremel tool.
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Old 08-03-2012, 11:46 AM   #5
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Quote:
Originally Posted by toobroketoretire View Post
Follow TimAT's advice and you'll have no trouble as a soldered connection is the very best connection. Instead of using electrical tape I prefer to use about 4-5 layers of heat shrink tubing available from Radio Shack.

Before soldering it's very important to make sure the copper wire strands are real clean with no corrosion so if you have to clean them you can use a small wire buffing wheel and a Dremel tool.
depending the size of the connector at the end of your wiring, make sure you put the heat shrink tubing on before splicing the wire so it will slide over the spliced area
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