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Faulty Ignition Switch - Temporary Repair

  Author: BradT
  Views: 26367     Votes: 23
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Faulty Ignition Switch

Temporary Repair

A few weeks back I stopped for gas, and when I turned the key on there was no electrical power, except for the radio. There was no lights on the dash, no headlights, or any other power, except for the radio. After checking all the fuses, which were okay, it was suggested the ignition switch could be the problem.

To get to the ignition switch wires you will have to remove the seat and the top cover by the key (two Allen head bolts), and then remove the Fuel tank, by first removing the breather tube on the top of the tank, the electrical connection and the fuel line (under the tank). There are two Allen head bolts at the front on each side of the tank, and one bolt near the seat, before you can remove the Fuel tank. After removing the fuel tank there is two plastic covers on each side of the switch, which are held on by a small Phillips head screw and a plastic plug.

Referring to the manual, Section 8 page 2 stated that switches could be tested for continuity. The manual states, on the main switch there should be continuity between the brown/blue wire and the red, and between the blue/yellow and blue/black wires, when the switch is turned on.

I used a multi meter and started checking the wires for continuity. This should be done on the backside of the plug, to prevent damage to the plug connections. I found that I had continuity between the Blue/Yellow Wire and the Blue/Black Wires, however I did not have continuity on the Brown/Blue Wire and the Red wires. I used a 10-gauge wire and inserted it on the backside of the plug between the Brown/Blue Wire and the Red wires and then I had power on the dash and fuel pump started clicking.

Therefore, I spliced the Red wire and the Brown/blue wires and connected a 10-gauge wire to the spliced ignition switch wires. I ran this new 10-gauge wire to the handlebars and connected these to a 50-amp single pole toggle switch, which I taped to the handlebars. Please note the 50-amp switch is most likely much larger than required.

Comments

1. When there is no continuity between the Brown/Blue wire and the red wire there will be no power, except for the radio. These wires close the circuit to the main fuse, battery, starter relay, starter motor, and the Start Switches (including the clutch, neutral, side stand, and stop switches).

2. When there is no continuity on the blue/yellow wire and the blue/black wire there will be power and the starter will turn over the engine however the engine will not start. These wires close the circuit for the ignition coil, coils and to the spark plug.

Last update: 08:02 PM Tuesday, June 27, 2006

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