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Turning Signal Fuse Keeps Blowing - 1998 Buick Century
I am constantly blowing the fuse that controls my right front turning signal. I just had my mechanic replace the fuse yet again and within 3 days, it blew. So now my turning signal blinks VERY fast,
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Our professional automotive electronics technician Jeff, provides the answer to a dead short.
Jeff Armer Jan 01, 2024
STOP/ TRN fuse #12 20amp, location - in the instrument panel fuse box. Is this the one? Fuse blows because you have a short circuit on the wiring that fuse protects. Do you know what that is?
Turn Signal Lamps
The STOP/TURN fuse in the instrument panel (I/P) fuse block supplies battery positive voltage to the body control module (BCM) for the turn signal lamps. When the turn switch is placed in the left or right position, ground is applied to the BCM on the left or right turn signal switch signal circuit. The BCM then applies voltage to the appropriate front and rear supply voltage circuits.
That happened in my 1999 Buicke Century. Replaced the bulb 4 times kept burning out all within a week. Finally replaced the blinker socket and no more issues.
Does the fuse blow on both left and right sides,or just blows randomly or as soon as you put the new fuse in?
Does it have tilt steering?I would check the wiring in the steering column to start.
when signal is rapid it useually means that a light is out. About your signal not turning it self off. That is a defective indicator switch which useually means removal of steering wheel.
left side u got a short
u can wire up a buzzer or light to plug into where the fuse goes that blows when u turn on ur left blinker the buzzer will sound or the light will come on ,while the buzzer is on take apart left signals
and check wiring by moving harness around ,when u find the short the buzzer will quit
blows fuse anytime you put one in
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