Hazard and blinkers do not work

KIKER74

MEMBER
2010 MAZDA 6
2.5L
4 CYL
2WD
AUTOMATIC
110,000 MILES

Hi Group!

I read in many forums that the possible cause could be the BCM.
After checking the fuses and light bulbs I went ahead and bought a used BCM.
I installed it but the problem persist, now I put my original BCM back in the car.
I'm not sure where else to look.
Please help.
Thanks!

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5 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,602 POSTS

Hello,

Lets start by making sure there is power at the stop and hazard fuses. here is a guide to help you, the key should be on before you begin. Also I have included the fuse location and the blinker and hazard light wiring diagrams so you can see how the system works.

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

Check out the diagrams (below). Please let us know what happens.

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Saturday, April 18th, 2020 AT 7:08 PM

KIKER74

MEMBER
9 POSTS

Thank you I'll check again tomorrow.

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Saturday, April 18th, 2020 AT 8:16 PM

KEN L

MASTER CERTIFIED MECHANIC
47,602 POSTS

Please let us know what you find. We are interested to see what it is.

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Monday, April 20th, 2020 AT 9:58 AM

KIKER74

MEMBER
9 POSTS

Hello group,

I went and got another continuity tester and tested the fuses again and this time the hazard fuse did not work.
Learning lesson: Use more than one tester.

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Saturday, May 2nd, 2020 AT 8:45 PM

KEN L