2000 fxdx totally shuts down. beleive its's the 40 amp positioned behind rear cylinder. going to run maxi-fuse in paralell but need to know which two of three wires to pair up. 2000 fxdx totally shuts down. beleive its's the 40 amp positioned behind rear cylinder. going to run maxi-fuse in paralell but need to know which two of three wires to pair up.

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Hi Anthonyharde, and the usual suspects are:
1. Severely discharged or damaged battery.
2. Loose, corroded or broken battery cable.
3. Alternator not charging or below normal rates.
4. Failed ignition coil, ignition/electronic module.
5. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor.
6. Faulty ignition switch.
7. Water or dirt in fuel system, carburetor or filter.
8. Fuel tank vent system plugged or gas cap not venting.
9. Fuel tank empty.
10. Fuel valve vacuum line broken or carburator vent line closed off.
11. Restricted, blocked or kinked fuel line.
12. Failed fuel pump, pressure regulator and or fuel injectors.
For a prime suspect please visit website below and good luck:
Harley Davidson Wiring Diagrams and Schematics
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