my turn signal problem
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my turn signal problem
I have a '54 f100 with factory installed turn signals that use the parking lights as the signal lights. My problem is that both right and left parking lights flash when I activate the directional lever on the steering column in either direction. The wiring diagram shows that both right and left parking lights are electrically connected by the same wire that goes to the headlight switch. What am I doing wrong??
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Joined: Apr 2002
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From: Littleton, New Hampshire
Originally Posted by jamv
I have a '54 f100 with factory installed turn signals that use the parking lights as the signal lights. My problem is that both right and left parking lights flash when I activate the directional lever on the steering column in either direction. The wiring diagram shows that both right and left parking lights are electrically connected by the same wire that goes to the headlight switch. What am I doing wrong??
Vern
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From: peoria, az
Does this happen with the front, rear or both? I don't have a diagram handy but, it sounds like maybe a shorted signal switch. Some of the early vehicles used the same bulb (filiment) for both lights on the front and the park light would go out when you signal.
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my turn signal problem
Thanks for your quick response fellas. here is how i would respnd to your inquiries :
I have three separate wires comming out of the turn signal box under the steering wheel. Two of these wires go to the front and rear lights. The third wire goes to the flasher unit. The problem as I see it, is that there is also a separate wire that goes from the light switch on the dash to both of the front parking lights. Therefore, when you turn on the parking lights, both lights turn on as expected, because they are both fed current from the same wire. However, when you turn on the directional signal for say a right turn, you are still sending juice to both parking lights because they are on the same wire that comes from the light switch. The wiring diagram for the 54-56 trucks shows only one wire going to the parking lights. I give up!!!
I have three separate wires comming out of the turn signal box under the steering wheel. Two of these wires go to the front and rear lights. The third wire goes to the flasher unit. The problem as I see it, is that there is also a separate wire that goes from the light switch on the dash to both of the front parking lights. Therefore, when you turn on the parking lights, both lights turn on as expected, because they are both fed current from the same wire. However, when you turn on the directional signal for say a right turn, you are still sending juice to both parking lights because they are on the same wire that comes from the light switch. The wiring diagram for the 54-56 trucks shows only one wire going to the parking lights. I give up!!!
Lead Driver
Joined: Apr 2002
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From: Littleton, New Hampshire
Originally Posted by jamv
Thanks for your quick response fellas. here is how i would respnd to your inquiries :
I have three separate wires comming out of the turn signal box under the steering wheel. Two of these wires go to the front and rear lights. The third wire goes to the flasher unit. The problem as I see it, is that there is also a separate wire that goes from the light switch on the dash to both of the front parking lights. Therefore, when you turn on the parking lights, both lights turn on as expected, because they are both fed current from the same wire. However, when you turn on the directional signal for say a right turn, you are still sending juice to both parking lights because they are on the same wire that comes from the light switch. The wiring diagram for the 54-56 trucks shows only one wire going to the parking lights. I give up!!!
I have three separate wires comming out of the turn signal box under the steering wheel. Two of these wires go to the front and rear lights. The third wire goes to the flasher unit. The problem as I see it, is that there is also a separate wire that goes from the light switch on the dash to both of the front parking lights. Therefore, when you turn on the parking lights, both lights turn on as expected, because they are both fed current from the same wire. However, when you turn on the directional signal for say a right turn, you are still sending juice to both parking lights because they are on the same wire that comes from the light switch. The wiring diagram for the 54-56 trucks shows only one wire going to the parking lights. I give up!!!
Vern
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my turn signal problem
Vern: thanks for your help. To answer your question, I have single filiment bulbs. I agree with you 100 percent that dual filiment sockets would solve my problem and I will definitely head down to the local auto parts store and get some.
However, I still cannot figure out how the turn signal system worked on this truck when it was new because the origianl parking lamp sockets which I still have, are single filiment sockets, the truck came with a factory installed turn signal lever on the steering column, and the wiring diagram in the shop manual for this truck shows single filiment parking lights doing double duty as both parking lights and turn signals. Thanks again for your prompt response! Jamv.
However, I still cannot figure out how the turn signal system worked on this truck when it was new because the origianl parking lamp sockets which I still have, are single filiment sockets, the truck came with a factory installed turn signal lever on the steering column, and the wiring diagram in the shop manual for this truck shows single filiment parking lights doing double duty as both parking lights and turn signals. Thanks again for your prompt response! Jamv.
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Joined: Apr 2002
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From: Littleton, New Hampshire
I can't imagine how single filament bulbs could have served for both parking lights and directional signals either, but converting to dual filament bulbs should solve the problem as well as give you brighter directional signals.
Vern
Vern
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From: Blenheim, Ontario, Canada
The only way that I can see that happening is the same way that rear brake lights and turn signals use the same filament. As with common rear brake and turn signals, the brake signal is uninterrupted with no signal function but when the signal switch is activated, the side activated is interrupted and connected to the flasher. It would certainly require individual wires to each parking light just as to the rear with combo brake/ turn signal.
I think...
Regards, John
I think...
Regards, John
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