Please verify this is correct - Alternator Wiring Set-up -
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post #1 of 3 Old 02-29-2012, 09:40 AM Thread Starter
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1997 TJ Wrangler 
Join Date: Jan 2012
Location: Fleetwood
Posts: 134
Please verify this is correct - Alternator Wiring Set-up

I plan on putting in a CS144 and want to run #2 wire from what other posts are indicating. My question is, when I redo the wiring I want to do the following...

1) Remove current wire from (+) on back of alternator to solenoid with all the other wires below the original battery tray ( I believe this is the starter solenoid).

2) Run #2 wire from (+) on alternator to (+) battery terminal (w/ 150amp fuse in-line)

3) Retain current wire from (+) battery terminal to solenoid located below battery tray

4) Ensure that the Red wire that goes into the two-prong connector on the alternator is also hooked to (+) terminal on alternator

5) Reconnect (-) battery terminal, start and verify voltage with meter

6) Wash hands and have a Rum & Coke

I would like to thank JeepHammer for having the below original wiring diagram for me to butcher with my not so fabulous image skills. I included it to provide a picture of my understanding of what needs to be done from the other posts I found in the search, I mainly want to make sure I am understanding those posts, because I couldn't find pictures of the wiring in any of them.

Also, I plan on putting a switch panel in as I add accessories, and saw in a post that an easy solution for tripping relays from those switches, that a wiring possibility would be cat5 cable due to the low amps used to switch relays and the ability to have the wiring neatly organized with multiple strands in the one cable. Has anyone done this and is the individual strand from each pair capable of being used for this ( I'm not sure what wire size it is or what amperage it can utilize without being an issue)

Thanks in advance for the help.

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post #2 of 3 Old 02-29-2012, 10:17 AM
Web Wheeler
1989 YJ Wrangler 
Join Date: Apr 2008
Location: Detroit
Posts: 24,647
You have the wiring setup correct for the alternator. Yes, you can use gound switch for relay control. The control side relay can be wired with 20 guage. I am not sure what the guage is in the cat 5 but I just setup a Neon PDC for KIG to ground switch 8 relays and add 5 in independant fuses.
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post #3 of 3 Old 02-29-2012, 07:20 PM Thread Starter
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1997 TJ Wrangler 
Join Date: Jan 2012
Location: Fleetwood
Posts: 134
Thank you for the confirmation
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alternator , cs144 , wiring

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