turn signal help needed
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New User
Joined: Oct 2003
Posts: 8
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turn signal help needed
Just bought a 1969 F100. Drove it from Idaho to Los Angeles in two days with a split water hose being the only casualty; very excited to be driving this truck.
I have to get it ready for inspection, and I'm hoping some folks can point me in the right direction. Main problem: my left turn signal works perfectly, but the right signal comes on in the front and stays on without flashing, and doesn't ever come on in the back. The signal indicator on the cab also comes on and stays on. Where do I start?
I have to get it ready for inspection, and I'm hoping some folks can point me in the right direction. Main problem: my left turn signal works perfectly, but the right signal comes on in the front and stays on without flashing, and doesn't ever come on in the back. The signal indicator on the cab also comes on and stays on. Where do I start?
Junior User
Joined: Dec 2003
Posts: 62
Likes: 0
From: oregon
i had that problem it was a burned out bulb, look at all your bulbs on the left and make sure all wirin in the back is in one piece(everything makein connection) thats where i would start, most likely you rear bulb like BB said
Senior User
Joined: May 2002
Posts: 298
Likes: 0
From: Denver
What happens when you turn the hazards on?
Robert
72 F100 Ranger XLT W/ 86 5.0L EFI W/ AOD
www.geocities.com/krazdndenver
Robert
72 F100 Ranger XLT W/ 86 5.0L EFI W/ AOD
www.geocities.com/krazdndenver
Lead Driver
Joined: Jan 2003
Posts: 9,893
Likes: 12
From: Ohio
Sounds like maybe a ground problem with with rear bulb. If you have any problem with bulbs, usually the blinker will not function.
Does the rear brake light work?? This will determine if bulb is okay. If no brake light, then replace bulb, or at least check for voltage in socket. One of pins will be running, the other brake/turn. Try to confirm which work. check ground between socket base and frame.
Can't be to difficult to trace. Just need to narrow the search.
Larry
Does the rear brake light work?? This will determine if bulb is okay. If no brake light, then replace bulb, or at least check for voltage in socket. One of pins will be running, the other brake/turn. Try to confirm which work. check ground between socket base and frame.
Can't be to difficult to trace. Just need to narrow the search.
Larry
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Senior User
Joined: May 2002
Posts: 298
Likes: 0
From: Denver
To test wiring in a circuit you can use voltage drop testing. This will let you know if the problem is on the hot or cold side. Perform tests as follows for rear lights.
1. Remove bulb
2. Use multimeter 12VDC scale and a jumper wire.
3. Attach jumper wire to positive battery post.
4. Attach one of the multimeter leads to the hot side of the bulb socket for the succepeted bad receptacal.
5. The other lead connects to the jumper wire from battery
6. Turn circuit on ex. turn lights on, apply brakes
7. Multimeter will read a number, this is the amount of voltage drop through the wire and connections.
8. Spec is .1 volt per connection in wire not to exceed 1 volt.
9. You do the same on the ground side ecept you connect to the neg battery post and the ground side of the socket, same specs.
Hope this helps, this test can be done on all 12 volt circuits, the only thing to remember is that the circuit is hot.
Robert
72 F100 Ranger XLT W/86 5.0L EFI W/ AOD
www.geocities.com/krazdndenver
1. Remove bulb
2. Use multimeter 12VDC scale and a jumper wire.
3. Attach jumper wire to positive battery post.
4. Attach one of the multimeter leads to the hot side of the bulb socket for the succepeted bad receptacal.
5. The other lead connects to the jumper wire from battery
6. Turn circuit on ex. turn lights on, apply brakes
7. Multimeter will read a number, this is the amount of voltage drop through the wire and connections.
8. Spec is .1 volt per connection in wire not to exceed 1 volt.
9. You do the same on the ground side ecept you connect to the neg battery post and the ground side of the socket, same specs.
Hope this helps, this test can be done on all 12 volt circuits, the only thing to remember is that the circuit is hot.
Robert
72 F100 Ranger XLT W/86 5.0L EFI W/ AOD
www.geocities.com/krazdndenver
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New User
Joined: Dec 2003
Posts: 9
Likes: 0
From: Honea Path, SC
Oh yeah, I went throuh that. Yours is somewehere between where the wires split to go front and rear after they come out of the column.
Isn't this fun. My kids don't know what I look like, all they ever see is my legs sticking out from under truck.
Isn't this fun. My kids don't know what I look like, all they ever see is my legs sticking out from under truck.