Hazzard lights not working?

Tiny
SAUNDERSS
  • MEMBER
  • 2020 FIAT DOBLO
  • 1.3L
  • 4 CYL
  • 2WD
  • MANUAL
  • 129,677 MILES
Indicators work fine, when hazard pressed nothing happens.
Saturday, April 19th, 2025 AT 12:49 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 15,433 POSTS
Okay, that vehicle was sold in the US as the Ram Promaster City. This is the diagram for that, but it should be the same. The turn and hazard lights are tied together. As the turn signals work, I would test the switch to be sure it works. The switch just grounds the wire so testing should be easy. The catch is getting to the connector. You have to remove the radio first. There should be 4 holes in the face of it, you insert removal pins in them and then wiggle the radio out of the dash. With it out the connector is right below it. Then you just use a wire to jumper between pins 1 and 3 in the connector. If the hazards work the switch is faulty. You might try switching it on and off a few times to see if maybe it is just corroded from setting. If however, that doesn't work and testing it shows the lights still don't work, the next step would be replacing the body control module as that is the controlling item.
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Saturday, April 19th, 2025 AT 4:27 PM

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