DRB-II Jeep Problems

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The most common problem is a blank screen. If after connecting DRB-II to vehicle, screen is blank, check the following:

Ensure all connections are proper and fit correctly.
Ensure wires in cables are not broken or shorted.
Ensure diagnostic connector has power available to adaptor.
Ensure cartridge is firmly installed in DRB-II.

If a defective DRB-II is encountered, generally the screen should not be blank when everything is connected the first time. Trying DRB-II with adaptor on another Jeep vehicle may help to isolate a faulty component.