I bought a battery isolator 140 Amp for my 2004 sprinter camper conversion. I have the rear huge AC unit so I believe the car has the massively oversized alternator. I also bought a mounting kit for it with a 50 amp fuse and only 8 AWG wire.
It looks like I screwed up, the manual for the Noco alternator says if I have a 140 amp alternator I should us 2 AWG wire no more than 5' of it . I think the mounting kit is for wimpy 50 amp alternators.
In any case, for mounting I'm wondering where the fuse is supposed to be (between the amp and the isolator I would guess) and how can I tell what amp alternator I have?
The unit is pretty big too and has lots of fins so I'm wondering where is the best place to mount it.
Here is the isolator I bought
http://www.overstock.com/Home-Garden/High-Performance-140-amp-Battery-Isolator/3882106/product.html
This is the mounting kit with the 50 amp fuse
http://www.overstock.com/Home-Garden/Standard-Battery-Isolator-Installation-Kit/3885003/product.html
Also there is lots of weird instructions for old GM's and Hondas and such that say the alternator might have some kind of crazy sensing mechinism to see if there is a battery that it is charging and whether it has voltage. Anyone know if the sprinter has any of that stuff on it?
I'm going to have to move the stereo and the aux diesel heater to the deep cycle battery so if anyone has any advice for that I'd love to hear it.
Still on the fence on whether to get a large AGM and lay it on its side or put a Lead acid upright under the pass seat and raise the swivel up another .5inch. My son already can't touch his feet to the floor, has anyone found a Lead acid battery with mounting on the side that will fit in that compartment? AGM's are so wicked expensive.
Seems like there is a lot of space under the hood on the opposite side, if I moved the windshield washer fluid resevour I might be able to squeeze a battery over there. Has anyone tried that?
Any other advice for dual battery mounting setup is welcome, I have a 2000 Amp inverter and I'm doing a bunch of AC wiring too. I need to locate a tiny AC breaker box but I can't find anything that is not really big.
Thanks in advance. Great forum. Very helpful.
It looks like I screwed up, the manual for the Noco alternator says if I have a 140 amp alternator I should us 2 AWG wire no more than 5' of it . I think the mounting kit is for wimpy 50 amp alternators.
In any case, for mounting I'm wondering where the fuse is supposed to be (between the amp and the isolator I would guess) and how can I tell what amp alternator I have?
The unit is pretty big too and has lots of fins so I'm wondering where is the best place to mount it.
Here is the isolator I bought
http://www.overstock.com/Home-Garden/High-Performance-140-amp-Battery-Isolator/3882106/product.html
This is the mounting kit with the 50 amp fuse
http://www.overstock.com/Home-Garden/Standard-Battery-Isolator-Installation-Kit/3885003/product.html
Also there is lots of weird instructions for old GM's and Hondas and such that say the alternator might have some kind of crazy sensing mechinism to see if there is a battery that it is charging and whether it has voltage. Anyone know if the sprinter has any of that stuff on it?
I'm going to have to move the stereo and the aux diesel heater to the deep cycle battery so if anyone has any advice for that I'd love to hear it.
Still on the fence on whether to get a large AGM and lay it on its side or put a Lead acid upright under the pass seat and raise the swivel up another .5inch. My son already can't touch his feet to the floor, has anyone found a Lead acid battery with mounting on the side that will fit in that compartment? AGM's are so wicked expensive.
Seems like there is a lot of space under the hood on the opposite side, if I moved the windshield washer fluid resevour I might be able to squeeze a battery over there. Has anyone tried that?
Any other advice for dual battery mounting setup is welcome, I have a 2000 Amp inverter and I'm doing a bunch of AC wiring too. I need to locate a tiny AC breaker box but I can't find anything that is not really big.
Thanks in advance. Great forum. Very helpful.