Hi mjmart,
Thank you for the donation.
Only one flasher unit is used and possible causes for the symptoms are :
1. Failing flasher unit. Though it might work on one side, minor differences in resistance between left and right side would result in the coondition.
2. Improper bulbs used. If any bulbs were replaced prior to this occurring, recheck the bulb specifications.
3. Check wireharness and bulb sockets for looseness or contaminations.
4. Check all ground circuit at the taillights and behind the front headlights.
Turn hazard lights on and note if there are any difference between the right and left side brightness. This might give you a clue to the bulbs specifications and wire connections.
Wednesday, January 9th, 2019 AT 12:29 PM
(Merged)