GMC Terrain: Electrical System / Fuses and Circuit Breakers

The wiring circuits in the vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of damage caused by electrical problems.

Danger

Fuses and circuit breakers are marked with their ampere rating. Do not exceed the specified amperage rating when replacing fuses and circuit breakers. Use of an oversized fuse or circuit breaker can result in a vehicle fire. You and others could be seriously injured or killed.

To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a new one of the identical size and rating.

Fuses of the same amperage can be temporarily borrowed from another fuse location, if a fuse goes out. Replace the fuse as soon as possible.

There is a fuse puller in the engine compartment fuse block. See Engine Compartment Fuse Block. It can be used to easily remove fuses from the fuse block.

To identify and check fuses, circuit breakers, and relays see Engine Compartment Fuse Block or Instrument Panel Fuse Block and Rear Compartment Fuse Block.

    Electrical System Overload

    The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the electrical load current is too heavy, the circuit breaker opens and closes, protecting the circuit until the current load returns to normal or the problem is fixed...

    Engine Compartment Fuse Block

    To remove the fuse block cover, squeeze the clips on the cover and lift it straight up. See Engine Compartment Overview. Caution Spilling liquid on any electrical component on the vehicle may damage it...

    Other information:

    GMC Terrain 2018-2024 Owners Manual: Passenger Sensing System


    The passenger sensing system turns off the front outboard passenger frontal airbag under certain conditions. No other airbag is affected by the passenger sensing system. See Passenger Sensing System. The passenger airbag status indicator will light on the overhead console when the vehicle is started...

    GMC Terrain 2018-2024 Owners Manual: Hood


    To open the hood: Pull the hood release lever with this symbol on it. It is on the lower left side of the instrument panel between the door and the steering wheel. Go to the front of the vehicle to find the secondary hood release handle...

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