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You replaced factory bulbs with
led bulbs ?
There is no relay BCM - body control module does it
Turn Signal Lamps
The body control module (BCM) is responsible for controlling the turn signals and hazard lamps. When the turn signal switch is placed in either the left turn or right turn position, the BCM receives a signal from the turn signal switch. The BCM then sends an on-off voltage signal to either the left or right turn signals and their instrument panel cluster (IPC) indicator. When the hazard switch is pressed, the BCM receives a signal from the hazard switch. The BCM then will send an on-off voltage signal to all the turn signal lamps. All the turn signal lamps will flash including both IPC turn signal indicators.
Get the left signal to flash fast then walk around the car to see which light isn't flashing then change the bulb or socket if they all appear to be flashing (front and rear) turn on the right turn signal then look into the front and rear lens and count the number of bulbs flashing, now do the same thing on the left. Many times there's more than 1 bulb in each lamp. I hope this helps. Take care.
Well, you're dealing with a short. If the right turn signal only works the right side bulbs, you know you're issue must be in the switch. The only way left turn signal would light the right side, but the right signal would not light the left is if you added a diode, which I doubt is the case. So the switch itself is suspect. That or a wiring issue. If you just bought the truck, and this is an existing issue I'd suspect wiring. If it just started doing this I'd suspect the switch.
I would check to make sure someone didn't monkey with the wires and switch the left turn signal with the hazard lights or something (do your hazard lights happen to flash only the left turn signals?). If it has or had an aftermarket alarm you need to check their work and see what may be screwed up. Alarm systems often tap into the parking lights, which will look like all 4 turn signals, but are actually dimmer filaments. Flashing the parking lights would actually make your radio flash too, so I'm kind of leaning this way. Can't say for sure on limited information though.
Your headlight switch is shorting to you blinker switch or vise versa. This effects the interior lights because the dimmer switch is wired with the headlight switch. Both switches will need to be rewired. For a car that's less than 10 years old that is ridiculous. You could try to lodge a complaint with Honda. Most cars don't have issues like that for at least 20 years. So unless you've been driving through the arctic or have 500,000 miles you should not be impressed.
when a turn signal indicator flashes faster than is normal it is your vehicles way of telling you there is a problem with the lighting system, do a visual check of your turn signals and you will find a burned out bulb. just replace the bad one and it will return to normal
either the front or the rear turn signal bulb is blown, that is why the flash frequency is high. replace the bulb and the problem will be solved. best to replace both the front and rear turn signal bulbs. good luck.
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