Looks like the pcm can turn the alternator off in special situations, like WOT: http://www.s10forum.com/forum/f105/alte ... re-355958/
The guy that posted this info is a BMW tech and seems to know his stuff.
I don't know if this wire from the PCM is present in the pre 2001 trucks.
Search found 4 matches
- Sat Jun 21, 2008 1:22 pm
- Forum: Electrical Modifications / Audio / Video / Lighting
- Topic: Bigger alternator
- Replies: 255
- Views: 62177
- Wed Jun 18, 2008 7:03 am
- Forum: Electrical Modifications / Audio / Video / Lighting
- Topic: Replace Positive & Ground cables?
- Replies: 20
- Views: 3213
The rule of thumb for fusible links is that you use a link that is 2 wire gauge sizes (4wire gauge numbers) smaller that the size of the circuit you are protecting. Here are some examples: http://www.madelectrical.com/catalog/fusible-link.shtml In my Google searching I didn't see any for 1/0 cable b...
- Tue Jun 17, 2008 10:12 am
- Forum: Electrical Modifications / Audio / Video / Lighting
- Topic: Bigger alternator
- Replies: 255
- Views: 62177
From the info on page 2, it appears that the AD244 "sense" wire comes from the PCM and that this would apply to all 2001 and up vehicles. Can the AD244 be used on 1996-2000 vehicles? Does it require a special plug to fit the AD244? Sorry if I am asking something that has been answered already, but I...
- Tue Jun 17, 2008 9:30 am
- Forum: Electrical Modifications / Audio / Video / Lighting
- Topic: Replace Positive & Ground cables?
- Replies: 20
- Views: 3213
..........I think we are not in bad shape. I did add a 4 ga ground from the battery to the alternator mount and a 1/0 cable from the battery to the alternator positive. Those are overkill for sure. The starter wire size may gain more from some heat protection than anything. I am not sure that the c...