Vehicle & Technical > Defender

Fitting 2nd alternator on a 300tdi ?

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Saffy:
Clearing out shed today and found a brand new alternator that I forgot I had.

I have a fantasy of having dual alternators on the 300tdi defender to keep the aux battery setup totally independent from the main. I do not have aircon so have spare pulley space for another belt, and possible there is room where the aircon giblets normally mount (haven't looked TBH) to fit bracket for the alternator.

Anyone fitted an aux alternator to their truck and how did you go about mounting it? or is this a silly fantasy and should look at pr0n more.

Range Rover Blues:
Use the 4 mounting bolts for the A/C compressor, use the aux drive belt for the same, get a bracket made.

Use a 4-pin relay so that your exsisting ignition switches the relay which replacates the ign switch in your aux system, then its' completely isolated.

Hangover:
Yep don't see the point.

Suvvey:
Been thinking about doing this myself. Similar to an MOD FFR. Let us know how you get on saffy :D

Saffy:

--- Quote from: Suvvey on March 29, 2008, 08:29:28 ---Been thinking about doing this myself. Similar to an MOD FFR. Let us know how you get on saffy :D

--- End quote ---

Will do. On hold for the moment as the new alternator I found turned out to be one from Series Landrover and the spindle differs so can't fit the ribbed pulley from a Tdi. I want to be using a proper pulley and belt there. Also there appear to be an extra idler pulley on the timing cover for the Aircon setup which I have not got and not sure if I will need if slack can be taken up on the 2nd alternator bracket.

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