Turn signals, brake lights and hazard stopped working

Tiny
FRED ROGERS
  • MEMBER
  • 1995 FORD TAURUS
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 69,000 MILES
Fuses are all good, and blinker box is good. Any help will be greatly appreciated.
Monday, August 30th, 2021 AT 5:11 PM

6 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Hi,

My primary concern is fuse 1 in the cabin fuse box. If you already checked that fuse, I need you to also check for power to it. The fuse could be good, but not getting power.

Here is a link you may find helpful:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

I attached the wiring schematic below for the circuit. I had to cut the pic in half to make it readable for you. I highlighted the areas of concern.

Pic 3 shows the fuses to check. Make sure there is power to and from there. If there is, then we need to check the wiring to the multi-function switch and brake light switch.

Let me know.

Joe

See pics below.
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Tuesday, August 31st, 2021 AT 7:37 PM
Tiny
FRED ROGERS
  • MEMBER
  • 4 POSTS
Sorry for the late reply. I will check the voltage this weekend, and let you know.
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Thursday, September 2nd, 2021 AT 8:57 PM
Tiny
FRED ROGERS
  • MEMBER
  • 4 POSTS
There is voltage on 1.
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Friday, September 3rd, 2021 AT 3:07 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Hi,

By chance, did you also check fuse 5? It should have power with the key in the run position.

Let me know.

Joe
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Friday, September 3rd, 2021 AT 9:06 PM
Tiny
FRED ROGERS
  • MEMBER
  • 4 POSTS
Yes, sorry, I did check #5, and it has voltage too. Thanks for reminding me.
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Friday, September 3rd, 2021 AT 9:27 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Hi,

If the fuses are good and have power to and from, then we need to check for power at the brake light switch and multi-function switch. At the switches, locate the purple with an orange tracer and the white with a red tracer wires, and check for power.

If you refer to the schematic above, you'll see which ones I'm referring to.

Here is a link you may find helpful:

https://www.2carpros.com/articles/how-to-check-wiring

Take care and let me know what you find. Note, we are tracing the wiring at this point to see where power is lost.

Joe
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Friday, September 3rd, 2021 AT 10:13 PM

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