Converted a 1996 Ram 3500 to cummins now have alt problem
Pretty much plug and play conversion if using ecu but it has gone south so trying to get the alternator to charge properly w/remote regulator, it over charges.
Trouble shooting guide and factory manual say to look for ground to field wires if overcharging, or voltage sensor not detecting proper voltage. The voltage sensor is in the regulator, and I've been through a few now and get fast switching of field at idle but no switching above idle. The alternator puts out a constant 14.7 volts about 70 amps and never turns off resulting in over charged batteries.
Thinking there was some problem with harness so I made a new one, still the same problem.
The field is a two wire setup and I'm using the Dodge regulator which is designed for the 2 wire setup.
Help!
Last edited by DA BIG ONE; 03-12-2008 at 07:11.
Reason: typo
99 GMC SUB, 2500, 4x4, 6.5 TD (F) #H32 enhanced blk, Phaser timing set, B&D IC, 3" ATS exh, K&N w/prefilter, 4WD NVG 246, 4L80E kevlar Transgo off road/tow mods/B&M supercooler, 14 FF MagTec w/locker 3.42:1, 9.25" IFS frt/diff 3.42:1 w/ARB locker, AutoMeter Boost & pre-turbo pyro meter, 12,000 lb hydro winch, Warn classic bumper w/brushguard & diesel scoop, Max E-torq Stage 3, hi pop inj, oil bypass sys, on board air comp for front ARB locker & tire inflation, DynaView driving/auto-cornering lts, DZ nerfs, A/T 285/75/16 SilentArmor 3750 lb rated on 3750 lb rated Alcoa, 3 IP drivers 2 r spares.
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