Heavy Duty Alternator

Tech Tip: Troubleshooting the Alternator Charging System

Squealing noises under the hood… headlight bulbs that blow out repeatedly or dim… dash voltmeter gauge out of range—either too high or too low.

Tech Tip: Checking Voltage Drops

Is checking voltage drops really that important?

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.