Gm Cs144 (140 Amp) Alternator Swap On 3.0
#1
Gm Cs144 (140 Amp) Alternator Swap On 3.0
alright i was trying to figure out wut to do after my batterie was dying constantly,and its a good new one (770 cold crankin amp) spiral grid,
cause of my electric fan getting about 30 amps constantly when engine is hot.
solution by GANOID!! i found is thread about a cs144 alternator swap here it is:
ORIGINALY POSTED BY GANOID
ORIGINALY POSTED BY GANOID
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I had the 100 amp mobi-arc alternator upgrade and it lasted about a year. It never really had much usable output at idle either. My latest attempt at cheap power is a GM CS144 out of a 97 Caddy Eldorado rated at 140 amps (over 100 of which are available at idle). The only modification I made to the alternator was to remove the screw's on the case and rotate the back 180* for better access to the wires. This thing is a beast compared to the Toyota or even the modified Toyota alternators. I have had no problems keeping up with my warn 9k winch running only 1 red top optima. Total cost with no core was only like $130 at auto-zone with a lifetime warranty.
It fits with very little modifications and a 2" longer belt.

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cause of my electric fan getting about 30 amps constantly when engine is hot.
solution by GANOID!! i found is thread about a cs144 alternator swap here it is:
ORIGINALY POSTED BY GANOID
ORIGINALY POSTED BY GANOID
--------
I had the 100 amp mobi-arc alternator upgrade and it lasted about a year. It never really had much usable output at idle either. My latest attempt at cheap power is a GM CS144 out of a 97 Caddy Eldorado rated at 140 amps (over 100 of which are available at idle). The only modification I made to the alternator was to remove the screw's on the case and rotate the back 180* for better access to the wires. This thing is a beast compared to the Toyota or even the modified Toyota alternators. I have had no problems keeping up with my warn 9k winch running only 1 red top optima. Total cost with no core was only like $130 at auto-zone with a lifetime warranty.
It fits with very little modifications and a 2" longer belt.

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#2
#4
You may be able to find your wiring answer here: http://www.nwreg.com/products/Adapte.../Fr_AHMain.htm
If that doesn't work, here's the long way to it: http://www.nwreg.com/products/. Select 'Adapter Harnesses' (by-pass your pop-up blocker if necessary),
Keep us posted on how this works out!
If that doesn't work, here's the long way to it: http://www.nwreg.com/products/. Select 'Adapter Harnesses' (by-pass your pop-up blocker if necessary),
Keep us posted on how this works out!
#5
the cs144 is 234 can dollars at local savaria auto part. without core return.
im trying to figure out where i can get that pig tail wire. once i found it ill get the alternator for sure!!
im trying to figure out where i can get that pig tail wire. once i found it ill get the alternator for sure!!
#6
alright haha,i got pigtail wire and i got some good news ladies,it only as 3 wires ,how ? dont ask its pretty wierd,i got it from savaria too.
(little update here):its needs some lower bracket extention!!,plus washers on bolt,and he was right about the longer belt ,but else than that its flawless!!.
(little update here):its needs some lower bracket extention!!,plus washers on bolt,and he was right about the longer belt ,but else than that its flawless!!.
Last edited by Chief_Yota; Aug 21, 2007 at 07:20 PM.
#7
as for how it performs ,well i cant really comment on that cause ive just did the wire upgrade and had no time to make an custom braket.but since i did the wire upgrade i did not had any problems anymore with my system!
so untill i get auxilary lights,or winch,the cs-144 sits in my house waiting to be unleashed! but as soon as i get it together ill pop some pics.
so untill i get auxilary lights,or winch,the cs-144 sits in my house waiting to be unleashed! but as soon as i get it together ill pop some pics.
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#10
i just put in an aluminum be cool rad with elect fan yup the fan runs a lot when in traffic sure enough it drains the battery !!! i need to ditch the toyota alt and get one of these gm 140 amp dogs what do you do about the 3 pin plug on the toyo alt???
did it just bolt right in ??
did it just bolt right in ??
#11
well today i put the same gm altenator in my v6 not easy i had to cut the adjustment bracket weld in a piece to make it 3" longer i had a adapter plug to make the stock plug adapt to the toyota harness , but it was worth it thing puts out some juice took me about 5 hours
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