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View Full Version : HELP ON BOSCH 55 AMP ALTERNATOR CONVERSION



Got_All_4
05-29-2005, 12:22 AM
Purchased a Bosch alternator for my Tr250 and in the shuffling of parts I lost the instructions for the conversion. What I need to know ( hopefully some out there has done a conversion ) is where the 3 wires go on the alternator. The large brown/white, the small brown/white and the brown/green. The wire connections have been made at the external voltage regulator. I have the correct Bosch plug too for the back of the alt. I tried to find the web sites where I printed them off of a couple of years ago but they must not exists now. Thanks in advance.

machinemd
05-29-2005, 01:35 AM
If it's the same as my 74 tr6 :
The large brown wire attaches to the B+ terminal on the alternator, the small brown/yellow stripe wire attaches to the D+ terminal and the remaining wire should be tied back and not used. And the original Lucas plug was a perfect fit.