Quote:
Originally Posted by Photoventurer
I recently purchased a 2000 E350 former ambulance with a 7.3 diesel that had been partially converted by the young man I purchased it from. It was equipped with dual alternators and dual batteries. I can't for the life of me figure out why he did it, but he got rid of the auxiliary battery and all the wiring. I had been thinking of replacing it and using it as the house battery. This thread has been a great resource! Thanks for all the great posts!
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Keep in mind the "auxiliary" battery in the V10 is not setup the same way as the dual battery in the diesels. The 2nd battery, on the passenger frame rail, is simply in parallel to the under-hood battery, and both are used for starting (2 really are needed if its cold enough to need glow plugs).
That said... most Ambulance builders did add 1-4 "house" batteries, setup with an isolator, usually mounted on the driver's side frame rail, and often with a battery access door (looks a lot like SMB's propane access door).