× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2000 Ford F-150 5.4L Battery Light
Posted to Ford Electrical on 8/9/2006 9 Replies

This is a PCM controlled Alternator that drops the regulator under WOT, but I am not clear on the RPM relation and why the lite comes on if this is a normal operation. It charges normally the rest of the time. There is also a drop in power after the engine war...

9 Replies Received (View Replies)

  Related Documents & Media  2000 Ford F-150

 
Message Closed w/FIX

car Vehicle Data

2000 Ford F-150

VIN 1FTRY18L6Y
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedBattery Light
ConditionsComes on @4000 RPM
Misc.Supercab, Oversize Tires
Message Closed w/FIX

car Vehicle Data

2000 Ford F-150

VIN 1FTRY18L6Y
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedBattery Light
ConditionsComes on @4000 RPM
Misc.Supercab, Oversize Tires