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Old 11-10-2003, 10:22 PM   #1
IceWish
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3 Magic Wires.....

Anyone ever heard of the 3 magic wires...
I heard that if your system is sucking up too much juice....insted of going out and changing your battery or alternator.....or buying a new one...you should change 3 magic wires...
The + wire from your alternator to your battery

The - wire from your battery to the car (chassis)

The - wire from the engine to the car (chassis)

I guess because the alternator is ground of on the engine you change the last wire. 4 Guage wire is fine, you can also add another wire insted of replacing it..Anyone ever done it?.....is it hard to do in an Astina?
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Old 12-10-2003, 09:22 AM   #2
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havnt heard of '3 magic wires' but it makes sense anyway. The most common out of them i guess is the -ve wires from chassis to batt , & engine to chassis. Never heard of the alternator wire being replaced but it sounds liek a good idea !

The main reason ive heard of the engine ground wires being replaced is to increase performance slightly. better spark.

I'd say it would be pretty easy to do
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Old 03-02-2004, 11:12 PM   #3
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yeah, if you do it for grounding, then its best to complete the circuit... i plan to do this weekend, in a BJ 1.6... will let you know how i go
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Old 04-02-2004, 12:45 PM   #4
twilightprotege
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i've upgraded mine. this is what i've replaced :

starter motor to +ve battery
fuse box to +ve battery
fuse box to alternator
-ve battery to ground (right beside battery)
-ve batter to ground right beside fuse box
driver side chassis to engine mount

this is what i've added :

driver side engine mount to throttle body
driver side valve cover to throttle body
middle valve cover to throttle body
pass side valve cover to throttle body
throttle body to -ve battery
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Old 04-02-2004, 02:25 PM   #5
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looking at that it sounds like a lot. from the minor advantages that neg wire upgrades give, it think it would look too messy. possibly overkill

do u have a pic of the engine bay after u've put these wires in ?
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Old 04-02-2004, 02:47 PM   #6
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you can hardly see them. they are hidden very well and they are black. i used 4ga wires.

have a look on www.protege5.com (when it's back up) and search for grounding wires. there's heaps of information there.

yes i know it's a lot of work for a little gain...but when you do it all yourself and it costs you next to nothing...

i guess i'm just happiest about my idle being smoother.
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Old 05-02-2004, 07:27 PM   #7
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andy how much wire did you use and how many crimp terminals
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Old 05-02-2004, 07:56 PM   #8
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i think i bought 5m of 4ga wire and 13 crimp terminals. the terminals on the starter motor, alternator and the 2 on the fuse box are those big battery terminal ones (like solid crimp terminals)
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