Mustang 360
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Mump 0506 10 Z Mustang Rally Pac Install Running The Wires
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9 The long black wire is the tachometer feed and needs to pass through the firewall. The instructions suggest the accelerator-pedal-rod seal, but we found enough gap in the A/C-hose grommet to pass the wire through at this point. You can also drill a small, discreet hole to pass the wire through.
