have 2nd new battery and have good (tested) alt. but at idle or 2000 rpm i am only getting 12.5 volts at alt. test voltage at 4 wire plug with key on engine off and got...
white/red=5.2 volts
white/green=.5 volt
black/yellow=12.5
white/blue=12.5

also checked out the alt sp sensor fuse number 15 and it is fine i dont get a battery light or chargin light on the dash only sign i get of charging problem in batteries dying and when hook up volt meter it only shows 12.6 volts running need any help thanks

 

anyone have anything?

 

also wanted to note taht my temp guage jumps around sometimes but other times sits perfect have replaced the temp sensor and tested the new one anyone have any sugg..

 

anyone?????????

 

erm not sure but check the earthing maybe???

 

i have close to the same problem right now.

 

im guessing erhting is ground and have check connections their tight thanks for the response

 

i know wat it is

 

did you get that problem figured out?