Heavy Duty Alternator

Tech Tip: Flash the Field

Faulty Alternator or Demagnetized One?

Tech Tip: Bigger doesn't Always Mean Better

With the cold weather months upon us, starting up trucks can be a concern. Having the right size of battery is vital to supplying the necessary cold cranking amps (CCA).

Tech Tip: Replacing Alternators with External Fans

When replacing an alternator that has an external fan with one that has an internal fan, it is not necessary to take the external fan from the original model and apply it to the replacement. If thi...

Jumper Lead Service Kit Number

Jumper lead service kit can be used with 34 SI, 35SI and 36SI alternators.

Charging System Troubleshooting Decision Tree

Our decision tree will help you know what to do with charging system issues.

Tech Tip: Remote Sense Jumper Lead Installation

The Remote Sense jumper lead is only for use with the 34SI, 35SI and 36SI alternators that are equipped with the Remote Sense feature but don’t have a Remote Sense wire connected from the vehicle.