The 1991 Volvo brake light relay switch is located beneath the drivers side dashboard. The brake light relay switch will be above the brake pedal.
First off the quit making the 780 in 1990. What do you mean brake relay? Brake light relay/integrity sensor? Need more information
There is no brake light relay. There is however a brake light switch located above the brake pedal.
The brake light switch relay for your 1997 Chevy truck is located beneath the drivers side dashboard. The brake light relay switch will be above the brake pedal.
Change out the flasher relay located under the dash. Not the brake light switch which is activated by the brake pedal. Replacing the relay should solve the problem.
Where is starter relay on a 1986 volvo 240gl
Looking at the Autozone "repair guides" ther is a relay for the 3rd brake light, but offers no help on its location.
There is more than one relay, be more specific. Third Brake light
It is located on the brake pedal arm under the dash.
Check the brake light fuse first. There is a switch that controls the brake lights. Some are mechanical, located on the brake pedal lever, and some are pressure, located on the master cylinder. If it is mechanical, it may just need to be adjusted. After checking fuse, brake pedal swith, it's probably the Bulb failure warning light relay, a big round and red relay locate close the fuses box, back the astray, close the transmission shifter. Check FCP Groton use Bobby1 as a coupon. Good luck
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Fuse and/or switch Switch located at upper end of brake pedal under dash