GMC Tech 2 - Page 184

POWER SOURCE: CIGARETTE LIGHTER POWER CABLE
Step Action Yes No
1
2
3
4
5
1. Unplug cigarette lighter power cable from DLC cable.
2. Using a digital multi-meter (DMM), verify voltage output at
cigarette lighter power cable power jack.
Do you have battery voltage output?
Go to Step 2. Go to Step 3.
1. Remove DLC cable from Tech 2.
2. Plug in cigarette lighter power jack to the VCI power jack
connector located at bottom of Tech 2.
Does the Tech 2 power on?
Replace DLC cable. Problem with Tech 2.
Contact Customer
Support.
Using a DMM, verify voltage output at battery.
Do you have battery voltage output?
Go to Step 4. Charge battery.
Disconnect cigarette lighter power cable from vehicle and verify
voltage output at vehicle cigarette lighter socket.
Do you have battery voltage output?
Go to Step 5. Problem with vehicle.
Consult vehicle service
manual.
Check fuse in cigarette lighter power cable (refer to Figure VI-23).
Does fuse need replacing?
Replace fuse. Replace cigarette lighter
power cable.
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