Hi. I'm looking for more output from my alternator to run an extra heater on my veggiemobile ('84 300TD). I've talked to local shops who say that it can't be boosted. So is there an alternative alternator that works in this application and if so what modifications (brackets?) need done to make it work? I remember hearing about a GM replacement but didn't get the make/model/year...

Also, where is the best place to wire in electrical accessories? If it's the fuse box how does one access it?


thanks!!

What tyype of heater are you planning on adding??

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'87 924S
'81 280SEL

Sold ->

81 300SD -
93 300E w/ 3.2
85 300D-
79 300SD
82 300CD
83 300CD - CA
87 190E 5 spd
87 Porsche 924S

"..I'll take a simple "C" to "G" and feel brand new about it..."

The Bosch AL129X 115amp alternator will fit on the OM617 engine. You'll have to use your current pulley, and you may have to remove the case of the alternator, rotate it 90 degrees, and reclose it, in order for it to fit best. You'll also need beefier wiring to and from the alternator.

They were found on early 90's SAABs (as an option), and can be bought new or remanufactured online as well.

Search for "AL129x" to get a LOT of information about it, and reports from people who've done it.

http://www.partsamerica.com/ProductDetail.aspx?mfrcode=BOS&mfrpartnumber=AL129X

peace,
sam

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"That f***in' biodiesel is makin' me hungry."

1982 300TD Astral Silver w/ 250k (BIO BNZ)
2001 Aprilia SR50 Corsa Red w/ 5.5k (>100 MPG)

I'm using the 129x in my car with a very current hungry stereo and I am more than happy with its output...And not too bad to install either....

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83 300CDTurbo 307,000
2005 Honda Element 266,000
56 Nash Ambassador Country Club Special 34,000(under restoration presently)

http://www.peachparts.com/shopforum/showthread.php?t=125099

W126 models came with a 65 amp alt that swaps right in. Later Saabs that may have the 115 amp alt came with a 85 amp unit standard- the 115 amp was an option. Some volvo's also have the 85 amp units. I've pulled quite a few of the 115 amp units for members and they've worked out well for them.

The AL69X is another alternator often swapped in, its rated at 80 A.
Anyone contemplating a swap needs to be concerned with the pulley, its possible you will need to swap that too, and the connectors (wiring harness).
Most high current alternators use a bolt for the output and for the field connection, the stock alternators used a plug that fits onto the alternator, obviously you need to connect differently and having some electrical knowledge will be helpful.
Here's a short thread on the 126 subject: http://www.peachparts.com/shopforum/showthread.php?t=50173

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'95 E320 Wagon my favorite road car. '99 E300D wolf in sheeps body, '87 300D Sportline suspension, '79 300TD w/ 617.952 engine at 367,750 and counting!

Austin,

I'm running the vegtherm and the vormax right now but I really don't think the oil is getting hot enough. It's a single tank system (Neoteric) and I'd like to add some heat. I've seen a heater that looks light foil that wraps around the tubes to the injectors. Maybe the electrical option to the vormax. I'm open to suggestions, though.

Where is a good place to wire in these accessories? The fuse box perhaps?