Dual Alternators
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Freshman User
Joined: May 2003
Posts: 44
Likes: 0
Dual Alternators
Is it possible without major modifications to install the OEM dual alternator setup on a truck that came with out it? Does it mean a complee new wiring harness? The mechanical part shoudl not be aproblem just the electrical may.
Anyone done it?
Anyone done it?
Elder User
Joined: Sep 2004
Posts: 821
Likes: 1
From: Nashville
No it isn't possible without major mods. On stock dual alternator 6.0L trucks the PCM controls the alternator selection. You will need a new PCM program or possibly the actual PCM will need to be repalced. A better option is to put a single high-output alternator on instead. I haven't used any of those (have dual alts) but I'm sure somebody will come along and recommend some good ones soon.
