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A brake "relay" would probably be used in an ABS system. That needs to be checked out by a qualified mechanic that is familiar with the ABS brake system.
The 1996 GMC Yukon brake lights work by receiving power from the brake light relay switch. The brake light relay switch is connected to the brake pedal.
Code C1287: Brake Lamp Inhibit relay circuit failure. Problem with the warning lamp circuit, or the antilock control unit/module it monitors.
Appears to be no power to Brake Lihgt relay under hood
You need to be more specific What exactly is wrong with your brakes . There are a number of relay's in the brake system .But not neccesarily a fuse . if your brake pedal is hard as a rock (no power brakes) most time its the electric brake booster relay mounted near master cylinder on firewall use dealer relay only only 23 bucks
its under the dash mounted near the brake pedal,its either a push-pull switch or a plunger. the power relay is in the main relay bank under the hood and there is a separate fuse in there as well. The relay map is underside of the relay bank cover
Then fix them. Start by checking the bulbs - those are dual filament bulbs, and it's possible that the filament for the brake lights was compromised. If those check out, see if you have power to the brake light circuit with the brake pedal depressed by using a test light. If you don't have power, what I'd do next is find the relay and test that. Remove the relay, check for power at the 30 post - it should be hot constantly. Then check for power at the 86 post with the brake pedal depressed. If you have power at the 86 pole with the brake pedal depressed and at the 30 pole, then the problem is either the relay itself, or the wiring along the 87 circuit. If you don't have power at the 30 pole, check to see if there's a fuse specifically for the brake lights. If you don't have power at the 86 pole with the brake pedal depressed, the problem is somewhere between the brake pedal and the relay. I'd start with the brake light switch itself if that were the case. Should be located at the top of the brake pedal.
The relay is on the left side of the power brake booster/.
Like if you going to change brakes on the van...you will see like a small box that looks like a relay and its pointing to like a gear around the shaft that's your sensor...signal will be sent off speed car is going to determine your brake force
Look for a separate fuse to the third brakelight.
The brake relay switch can be found on the firewall in the engine compartment. The brake relay switch will be on the drivers side of the firewall.
The fuse or relay for power windows on a 2002 Chevy Blazer is located under the dash near the emergency brake. It can be readily replaced by pulling it out.