Question about Harley Davidson Motorcycles
No current to bulb on right side,left side works
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Posted on Jan 02, 2017
Make sure you have no wires chaffing against the frame or threads of bolts along the wires' path. Make sure your connections are clean and tight.
If you have a multimeter, take some resistance readings and also, ensure that all your grounding wires are in good shape and tighten any bolts or screws along the way.
Measure across the leads of the headlight, if it reads -infinity- (ohms) the bulb needs replacing, if you get a reading the bulb is fine and you need to start looking elsewhere...
Posted on Aug 26, 2009
I would have to say it would be the ground wire in that turn signal. You are getting a ground with the tester so to test this take a piece of wire and find the ground side of the socket for the bulb wich is the housing that holds the bulb in. Take the wire and strip both ends. Insert the bulb and touch the housing with one end and the other end touch it to a good ground on the bike and if it lights then you have a bad ground somwhere.
Posted on Nov 01, 2009
SOURCE: Only right turn signal works.
Ok, there is only a few things that could cause this. They include:
handlebar directional switch on inoperative side not functioning.
broken or disconnected wire in the directional switch circuit
a possible combination of causes found in problem #1.
You need to test the left turn signal switch to make sure it has voltage going to it and when you press the switch, 12 volts is going to the turn signal cancelling unit. This 12 volt pulse from the switch is what tells the module to turn the left turn signals on. Without the pulse, the module doesn't know you've pressed the switch. You may need a wiring diagram to trace this out. Sorry but I don't have one for that year model.
Posted on Nov 16, 2010
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