Rick's Free Auto Repair Advice

Posts Tagged: battery goes dead

Dead battery GM vehicles

Dead battery GM vehicles GM has issued a service bulletin 10-08-50-001 to address dead battery problems in the vehicles listed below with heated seats. The condition may be intermittent or full time and appears as a dead battery, low battery, no crank no start condition. GM has determined that the heated seat module is the cause of the battery drain. Do NOT replace the module. GM has released a software update to reprogram the module and force it to shut down once the vehicle is turned off. Any GM dealer … Read More

Chrysler charging system

Chrysler charging system The manner in which Chrysler charging systems power the alternator field varies depending on which generation PCM you have installed in your vehicle. So consult a shop manual for the exact system used in your vehicle. This is just an overview. In a Next Generation Controller PCM the alternator has 3 wires. The black wire is a contact ground. The PCM sends a pulsed power to the alternator field coil on the dark green wire. The strength of the field depends on the pulse width. The output … Read More


Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN