Battery wont hold charge has brand new alternator, brand new battery, and brand ECM
Asked by grannyguru123 Mar 21, 2019 at 09:04 PM about the 2001 Dodge RAM 1500 ST RWD
Question type: Maintenance & Repair
1 Answer
jetjurnigan answered 5 years ago
If you're sure the alternator and battery are good, then you have an excessive parasitic current draw. Check all your light bulbs first, especially the brake lights. The brake switch for the brake lights tends to get outta line and the brake lights stay on.