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franken · 02-06-2021, 10:58 PM

Brake lights use the same filaments as turn signals in the 1157 bulbs. They're also more important than turn signals so that's the place to start. The same flasher is used for both sides so it obviously isn't the flasher.
Time to get out the multimeter, wiring diagram and troubleshoot.

02-06-2021, 10:58 PM	#5
franken Registered User Join Date: Jun 2013 Location: Somewhere Posts: 3,052	Re: turn signal malfunction Brake lights use the same filaments as turn signals in the 1157 bulbs. They're also more important than turn signals so that's the place to start. The same flasher is used for both sides so it obviously isn't the flasher. Time to get out the multimeter, wiring diagram and troubleshoot.