GMC Tech2 - Power Source: Battery Power Cable

General Motors Tech2 User Guide
70
Power Source: Battery Power Cable
Step
Action
Yes
No
1
1. Unplug battery power cable
power jack from DLC cable.
2. Using a digital multi-meter
(DMM), verify voltage output at
battery power cable power jack.
Do you have battery voltage
output?
Go to Step 2
Go to Step 3
2
1. Remove DLC cable from
Tech2.
2. Plug in battery power cable
power jack to the VCI power
jack connector located at
bottom of Tech2.
Does the Tech2 power on?
Replace DLC
cable.
Problem with Tech2.
Contact Customer
Support.
3
Using a DMM, verify voltage
output at battery.
Do you have battery voltage
output?
Go to Step 4
Charge battery.
4
Check fuse(s) in battery power
cable.
Does fuse(s) need replacing?
Replace
fuse(s)
Replace battery power
cable
Troubleshooting table for battery power cable “No Power”