Brake Lights and turn signals

TZR2 · 02-16-2008, 05:14 PM

2000 Chevy S10 ZR2

My turn signal indicators have started to blink really fast. It started with the right, now both are doing this. At first the right brake light and rear turn signal weren't working, now both. I have changed the bulbs, put new 3057s in and also new marker bulbs 194s but still brake lights and turn signals aren't working. Any suggestions where to look next?

jdfenske · 02-16-2008, 06:47 PM

get out the chilton book and follow wires with a test light....

crabtruck · 02-16-2008, 07:45 PM

Blinking fast dash indicators, like a telltale that a bulb is burnt out ?
Check if you're getting the hot at the rear bulb, if so maybe grounds are bad.
But if park lamps come on with that same 3057, grounds probably good.
You did check the front turns are good right ?
Do a good visual inspection of the wires at fixtures and splices under,
looking for obvious damage or water/corrosion places.
Long shot the flasher itself is going, maybe loose.
Chilton's is a good idea but take a quick look for the obvious first.

02-16-2008, 05:14 PM	#1
TZR2 Junior Member Join Date: May 2007 Posts: 8	Brake Lights and turn signals 2000 Chevy S10 ZR2 My turn signal indicators have started to blink really fast. It started with the right, now both are doing this. At first the right brake light and rear turn signal weren't working, now both. I have changed the bulbs, put new 3057s in and also new marker bulbs 194s but still brake lights and turn signals aren't working. Any suggestions where to look next?

02-16-2008, 06:47 PM	#2
jdfenske Senior Member Join Date: Jan 2008 Posts: 105	get out the chilton book and follow wires with a test light.... __________________ 1996 Z71 white shortbox tinted 350 30 over cats and X pipe Alumhds ported 210 cc runners 62 cc chambers 2" int 1.550" ex crane lift; 580/580 duration; 216/222 4L60E w/shiftkit

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02-16-2008, 07:45 PM	#3
crabtruck Senior Member Join Date: Jul 2007 Posts: 1,464	Blinking fast dash indicators, like a telltale that a bulb is burnt out ? Check if you're getting the hot at the rear bulb, if so maybe grounds are bad. But if park lamps come on with that same 3057, grounds probably good. You did check the front turns are good right ? Do a good visual inspection of the wires at fixtures and splices under, looking for obvious damage or water/corrosion places. Long shot the flasher itself is going, maybe loose. Chilton's is a good idea but take a quick look for the obvious first.