Turn signals and flashers dont work 1997 c1500

Marvin

• 85242 Answers
• Posted on Aug 26, 2008

SOURCE: 1997 sonoma turn signal flasher

it is inside, under dash, on left side is a plastic sound protector, mine had 3 screws holding it up, drop this down and straight in you will see a 1" round thing - this is the flasher, pull it out and replace with new one (there are two flat prongs that plug in). It appears this is a well guarded secret!

SOURCE: Left turn signal stops flashing when brake pedal is depressed.

there is a ground problem, most likely in the tail unit itself, but a ground problem is hard to find and easy to fix. reground the system, the turning unit, and the problem should stop. About the hazards, I don't know...... some times in older cars, that is the way it works. because the brake and hazard element in the bulb is the same and the old cars used a break in the power, but the new cars use a break in the ground. any way, chase the ground down first, it is usually the cause.

SOURCE: Brake lights dont work, Turn Signals all goofy

First thing i would do is chg. the break light switch, and make sure to chk. all grounds around tailights, sometimes if there is a ground problem it will travel back thru the hot wire to get a ground, witch in turn makes everything go wackey.

Dennis Mulford

• 1055 Answers
• Posted on Aug 12, 2009

SOURCE: rear brakes locked up. 1990 chevy c1500 2wd pickup

did you see if they need replaced?
and also the emergancy cable may be froze

SOURCE: brake cab light works , no bed brake lights ,

Had the sam thing happen on my 95 GMC.There was a part under the dash to the reear of the parking brake were all the relays were pluged in that looked like the old buzzer box.Not sure the name of it or if yours will have the same retanguler box.Has something to do with the brake lights.The guys at my local napa new what part it was but never caught the name of it,was just happy to have brake lights again.