Wiring question???
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Intermediate
Joined: Aug 2010
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Wiring question???
I have an 07 FXD, i just recieved my new front turn signals. The new signals only have two black wires and the wiring on my bike has a blue,purple and black wire, not sure how to hook them up. The new signals are the auto gem baby bullets. Thanks in advance
Road Warrior
Joined: Apr 2008
Posts: 1,998
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From: Central Ohio
I think you may have gotten rear signals.
Are the bulbs single or dual element?
The front sigs are dual element and have three wires... 1 ground, 1 low element (for running light) and 1 high element (for turn).
Are the bulbs single or dual element?
The front sigs are dual element and have three wires... 1 ground, 1 low element (for running light) and 1 high element (for turn).
Ultimate HDF Member
Joined: May 2008
Posts: 6,642
Likes: 48
From: Ogden, UT
Some 2 wire signals are actually capable of Run, Turn, operation. the shell is grounded through the metal of the mount and 1 wire is Run, the other is Turn. Or it could be strictly turn.
Easiest way to find out is with a battery, ground the body of the light and touch each wire to power, if each wire gives light it will give you Run and Turn.
Easiest way to find out is with a battery, ground the body of the light and touch each wire to power, if each wire gives light it will give you Run and Turn.
Stellar HDF Member
Joined: Feb 2010
Posts: 3,385
Likes: 252
From: Southern California
H-m-m-m-m before I'd start hooking the wires up to a battery . . . I think I'd use an ohmmeter to see which wire goes to what.
Option #1) If there is continuity between the wires and no continuity to the housing then you have a single filament lamp and one of the wires is (+) and the other is the ground (-) and unless the lamp is an LED it won't matter which is which.
Option #2) If each wire individually has continuity to the housing, then you have a dual filament lamp that is using the housing as the ground (-) circuit. Each wire is (+) for it's filament.
Option #1) If there is continuity between the wires and no continuity to the housing then you have a single filament lamp and one of the wires is (+) and the other is the ground (-) and unless the lamp is an LED it won't matter which is which.
Option #2) If each wire individually has continuity to the housing, then you have a dual filament lamp that is using the housing as the ground (-) circuit. Each wire is (+) for it's filament.
Last edited by Bluehighways; Nov 15, 2011 at 11:41 PM.
Turn signal wiring for Dom. Dyna Models is:
Blue = front running lights
Black = ground
Brown = right turn signal 12V
Violet = left turn signal 12V
Ultimate HDF Member
Joined: May 2008
Posts: 6,642
Likes: 48
From: Ogden, UT
H-m-m-m-m before I'd start hooking the wires up to a battery . . . I think I'd use an ohmmeter to see which wire goes to what.
Option #1) If there is continuity between the wires and no continuity to the housing then you have a single filament lamp and one of the wires is (+) and the other is the ground (-) and unless the lamp is an LED it won't matter which is which.
Option #2) If each wire individually has continuity to the housing, then you have a dual filament lamp that is using the housing as the ground (-) circuit. Each wire is (+) for it's filament.
Option #1) If there is continuity between the wires and no continuity to the housing then you have a single filament lamp and one of the wires is (+) and the other is the ground (-) and unless the lamp is an LED it won't matter which is which.
Option #2) If each wire individually has continuity to the housing, then you have a dual filament lamp that is using the housing as the ground (-) circuit. Each wire is (+) for it's filament.
Ultimate HDF Member
Joined: May 2008
Posts: 6,642
Likes: 48
From: Ogden, UT
H-m-m-m-m before I'd start hooking the wires up to a battery . . . I think I'd use an ohmmeter to see which wire goes to what.
Option #1) If there is continuity between the wires and no continuity to the housing then you have a single filament lamp and one of the wires is (+) and the other is the ground (-) and unless the lamp is an LED it won't matter which is which.
Option #2) If each wire individually has continuity to the housing, then you have a dual filament lamp that is using the housing as the ground (-) circuit. Each wire is (+) for it's filament.
Option #1) If there is continuity between the wires and no continuity to the housing then you have a single filament lamp and one of the wires is (+) and the other is the ground (-) and unless the lamp is an LED it won't matter which is which.
Option #2) If each wire individually has continuity to the housing, then you have a dual filament lamp that is using the housing as the ground (-) circuit. Each wire is (+) for it's filament.
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