The fix for my endless alternator failure's
Staging Lane
Joined: Apr 2009
Posts: 61
Likes: 0
From: Memphis, TN
ok so im confused on a couple of things
first this whole 4 pin 2 pin deal and the oval vs square
if i do get a truck alternator what do i need do to make it work wiring wise?
i dont want to tap a bolt into the block so what years and makes of vehicles should i looks for?
first this whole 4 pin 2 pin deal and the oval vs square
if i do get a truck alternator what do i need do to make it work wiring wise?
i dont want to tap a bolt into the block so what years and makes of vehicles should i looks for?
the LS1 wiring harness uses the 4 pin oval style connector to the alt........so unless you wanna rig up some adapter.......get a 4 pin alt........the f bod alt bracket uses 3 bolt holes.....either tap a non LS1-6 block or do without a bolt
Staging Lane
Joined: Apr 2009
Posts: 61
Likes: 0
From: Memphis, TN
so all i have to do is get a 4 pin oval style make sure the alternator is secure by ditching the extra bracket and im good to go........what cars trucks or suvs should i be looking for from the junkyard? and what oprion codes i see a 145amp and one thats higher!
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Verdad Gallardo Staging Lane
Joined: Apr 2009
Posts: 61
Likes: 0
From: Memphis, TN
connectors? you mean the copper lugs on the welding wire? yes.........i just used solder that i picked up from radio shack...........the wire and lugs i got from tractor supply
Staging Lane
Joined: Apr 2009
Posts: 61
Likes: 0
From: Memphis, TN
http://cgi.ebay.com/ebaymotors/2003-...item2a101eb78a
here is a perfect picture of the alternator it is 4 pin from an 03 tahoe 145 amp
is this the correct one?
here is a perfect picture of the alternator it is 4 pin from an 03 tahoe 145 amp
is this the correct one?
that looks like the correct pins and mounting ears.....but it does not say if it is the KG3 option........call LKQ and ask for a 2003 chev truck with the KG3 option......they will look in their computer and give you a answer in 2 secs
THis mod works great without any issues thus far to report. The only thing like he said is if you have a bigger then stock sized sway bar, you might have to remove it. I had my stock TA 30mm swaybar and that was a tight/almost not fitting fit. but it got in there. had i installed my 35mm sways and then did this, i dont think i would have been able to fit it. Im running my stock wires. havnt seen any issues and no more pulsation 
that makes me happy
that makes me happy 
I just got done installing the kg3 alternator and the big 3 upgrade. I was then going to put the belt back on and it was way too tight. I was barely able to slide the belt over the tensioner pulley. I have a powerbond underdrive pulley and was using a 760K6 belt before the kg3 install. Which belt am I suppose to use with a underdrive pulley and kg3 alternator? The alternator came off a 04 silverado 6.0L.
