Component Testing

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Accessory Power Outlet 110 V AC

Ignition OFF, remove the X81 Accessory Power Receptacle - 110V AC.
Test for infinite resistance between terminal 3 X2 and terminal 3 X1.
- If less than infinite resistance
  Replace X81 Accessory Power Receptacle - 110V AC.
Test for less than 2 Ω between the following terminals:
- Terminal 3 X2 and the applicable receptacle terminal
- Terminal 3 X1 and the applicable receptacle terminal
- If greater than the 2 Ω
  Replace the X81 Accessory Power Receptacle - 110V AC.
Test for infinite resistance between terminal 1 X1 and terminal 1 X2.
- If less than the specified range
  Replace X81 Accessory Power Receptacle - 110V AC.
- Go to next step: If infinite resistance
Connect a 110 V extension cord without a connected device to the X81 Accessory Power Receptacle - 110V AC.
Test for less than 5 Ω between terminal 1 X1 and terminal 1 X2.
- If greater than the 5 Ω
  Replace the X81 Accessory Power Receptacle - 110V AC.
- Go to next step: If less than 5 Ω
All OK