Search results

That's all you need to do as long as it is a single wire self energizing alternator, just disco your batteries before working on the alternator to avoid shorting anything or you out.

The alternator worked fine with no issues for about a year and half, then I sold the truck. I never hooked anything up to the "R" terminal, originally I had planned to wire it to a cigarette lighter socket to charge phones or GPS usage. Spider Marine was very good to deal with when I had bought...

The 21SI alternator was from Spidermarine, link below. I also purchased the 8 groove serpentine pulley from them, it was not listed on their website. I had give them a WAI pulley part # and they crossed it over to their number of 208-12003 (sku # 113377). Pictures are the 2 different WAI...

I just finished installing a 21SI Delco style single wire 70amp alternator on my M925A2 with the 8.3L Cummins and single belt after the original 60 amp Leece Neville fried. Install was pretty easy, just had to put a slight notch in the upper factory bracket with a short spacer and lengthen the...