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Thunder Heart Performance Corp.
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2.5
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circuits of the EHC. (Note: Diagnostic functions will not work for the
left and right turn signals, as they will be powered from the Horn and
Brake Light Switch circuits). See Appendix D, Wiring Tables and
Diagrams.
Remove the splice in the H-D handlebar controls harness, determine
which Orange w/White Stripe wire goes to the turn signal and horn or
brake switch, and wire these independently to their respective
circuits on the EHC. See Appendix D, Wiring Tables and Diagrams.
Rear Lighting Options
The EHC accommodates two rear lighting configurations. Two wiring
diagrams in Appendix D detail the wiring for each configuration:
Note: *Turn signals will always function as turn and brake lights*
Turn signals functioning as a turn signal and brake light (see Figure
21)
Turn signals functioning as a turn signal, brake light and tail light
(this option requires dual filament turn signal housings)(see Figure
22)
Harness Assembly
After the harness is trial fitted to the bike, the next steps highlight the
installation of heat shrinkable tubing to the harness:
1. Remove the harness from the bike.
2. Starting from the rear harness connector at the EHC, cut a piece of heat
shrink tubing long enough so that it extends about 1" past the first branch
in the harness. This extra length will allow the tubing for the branches to
slide into the main tubing as shown in Figure 15. This crates a smooth
transition to the branches.
Figure 15 – Proper Heat Shrink Overlap
3. When the tubing section ends at a termination point (connector or
terminal), slide a long piece into the main tubing and then cut it at the
end of the wire (removing the last 1/4" or so of the wire as well.
EI4250
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