Common questions

What is a CTSY fuse?

What is a CTSY fuse?

The CTSY fuse supplies power to the radio for the clock and memory. Try unplugging the connector at the radio. Check the door switches for broken/shorted connectors. Don’t forget to check the mirror vanity lights and the glove box light. The headlight switch also controls the courtesy lights, check to see if it’s OK.

Where is the fuse box on a Chevy Suburban?

The fuse box is located on the driver side of the dash. Rear Intermittent Wiper/Washer Switch. Master Window Switch. Fog Light Relay. Rear Defogger Switch. Right Front Door Lock Switch. Power Mirror Inline Fuse. Power Seat Switch. Medium Blower Relay. Cruise Control Module. Master Window Switch (Crew Cab, Suburban, and Utility).

Why does the ctsy fuse keep blowing on my GMC Yukon?

The Ctsy Fuse feeds all of the interior lamps in the truck. As you mentioned it does the vanity mirror lights to the glove compartment light. This is a bit unusual because the circuits are wired “HOT”. Which means that all of the lights have power to them all the time and they are turned on by grounding them.

Where are the fuses on a 1993 GM 4.3L?

In the table below you’ll find the fuse location and description of the fuses of the fuse box on 1993 4.3L, 5.0L, 5.7L TBI equipped 4.3L, 5.0L, and 5.7L pickups. IMPORTANT: The fuse box illustration and fuse descriptions cover the vehicles in the ‘Applies To:’ box on the right column.

Can a blown fuse be switched back on?

The breakers reset and can be “switched back on”–so there is no need to replace anything. Much of the time, it’s technically inaccurate to refer to a “blown fuse,” so in this article, we’ll offer you some new concepts and vocabulary to describe your various electrical concerns.

The fuse box is located on the driver side of the dash. Rear Intermittent Wiper/Washer Switch. Master Window Switch. Fog Light Relay. Rear Defogger Switch. Right Front Door Lock Switch. Power Mirror Inline Fuse. Power Seat Switch. Medium Blower Relay. Cruise Control Module. Master Window Switch (Crew Cab, Suburban, and Utility).

In the table below you’ll find the fuse location and description of the fuses of the fuse box on 1993 4.3L, 5.0L, 5.7L TBI equipped 4.3L, 5.0L, and 5.7L pickups. IMPORTANT: The fuse box illustration and fuse descriptions cover the vehicles in the ‘Applies To:’ box on the right column.

The Ctsy Fuse feeds all of the interior lamps in the truck. As you mentioned it does the vanity mirror lights to the glove compartment light. This is a bit unusual because the circuits are wired “HOT”. Which means that all of the lights have power to them all the time and they are turned on by grounding them.

The breakers reset and can be “switched back on”–so there is no need to replace anything. Much of the time, it’s technically inaccurate to refer to a “blown fuse,” so in this article, we’ll offer you some new concepts and vocabulary to describe your various electrical concerns.

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Ruth Doyle