amperage testing?

MoparMagic'00 · Nov 19, 2014

ok RF fam my truck came from momma mopar with the 118 amp alt.. I am wanting to upgrade to a larger amp alt however don't know what all fit for a larger output.. Ive seen the links for the 160 amp durango swap and that seems very do-able.. so how would i test the current amp of my altenator? (in case someone else has already changed it) and are there any ill affects of using a higher amp alt? will the pcm adjust to keep from over-charging? The reason for going larger is I am going to be running more lights and an aftermarket stereo system.. nothing note worthy just keeping strain down if i can thanks guys

Edit for info: 2000 1500 5.2 auto 4x4..

B-Shot · Nov 19, 2014

Dont know your budget or your amperage needs but I have used these in the past with good results Nations Starter & Alternator- Best Quality Starter & Alternator Supply!
and testing alt amps Alternator: Maximum Output Testing sorry im to lazy to type today

Merc225hp · Nov 20, 2014

The Denso 160 amp is the biggest I could find that I could get relatively cheap and required no bracket mods or belt changes. Yes you can have one built to your specs and you can get higher than the 160 but the prices are going to be in the $400+ range at least thats what I saw out there. Volts is going to be the same and the pcm will control that with no problems. The output lead will have to be upgraded for sure as it is too small to handle the 160 amp output. One thing to remember when upping the amp's is when its under load it will use more hp than the smaller amp alts.

MoparMagic'00 · Nov 22, 2014

any way to check with a multimeter? i have one just cant remember how to use it haha

Merc225hp · Nov 22, 2014

Most DVM's will not, some do, so depends on the model of DVM. Why are you wanting to test amps out?

MoparMagic'00 · Nov 22, 2014

just to see what i got vs a wreck that a buddy has could swap alt if his is higher amps its on a 2000 durango 5.9

Merc225hp · Nov 22, 2014

Any part numbers off them? Chances are good that the rango has a 136 amp.

MoparMagic'00 · Nov 22, 2014

thats what im hoping for lol and not right now

Merc225hp · Nov 22, 2014

When you get some part #'s post them up and see what we can find out.

MoparMagic'00 · Nov 22, 2014

merc its a denso 56027 913AB quick search points to 136 can you verify?

Merc225hp · Nov 22, 2014

913AB =136 amp. Get the plug that goes in the back with that alt as it might be different from yours. So expect to do some wiring NO crimp **** butt connectors solder only and shrink tube.

MoparMagic'00 · Nov 22, 2014

ill have them side by side so i can compare he has a guy wanting the harness if possible.. can you get the plug from part stores or do you know?

Merc225hp · Nov 22, 2014

I tried to find them but had no luck up here, down there you have a better chance than I do. No I do not have a part number for one sorry.

MoparMagic'00 · Nov 22, 2014

just checking but part numbers are the same according to autozone.. shouldnt have an issue then id think

Merc225hp · Nov 22, 2014

Dude post the part number please

MoparMagic'00 · Nov 23, 2014

duralast number of 12073 shows up for both ram and rango and 136 amps
from autozone

MoparMagic'00 · Nov 23, 2014

update just swapped in alts.. direct fit (almost) lol the shim on the bottom had to be moved about an 1/8'' and it is steel and alum housing so I had to use a little heat and some blaster but it finally moved. I believe this is just to slight differences and absolutely nothing that can't be dealt with.. hope this helps someone else looking for a small upgrade in the charging department

amperage testing?

MoparMagic'00

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