12V Battery Tachometer Installation Instructions.pdf

## 12V Battery Tachometer Installation Instructions: Key Takeaways

This summary highlights critical information from the provided 12V battery tachometer installation instructions.

Installation:

1. Wiring:
- Green, White, Red wires connect to the 12V battery, ignition switch, and dash lighting (with fuse).
- Blue and Black wires connect to good engine ground.
- Warning: Do not connect to an aftermarket ignition box without consulting the manufacturer.
2. Calibration:
- The tachometer comes pre-calibrated for 4 PPR (pulses per revolution) for most engines.
- Adjusting PPR is possible using the SET and ERASE buttons (see instructions in document).
3. Mounting:

- Secure the tachometer using the provided mounting foot and shock strap assembly.
- For external Shift-Lite models, position the Shift-Lite bracket under the shock strap as shown.
- Recommended placement for external Shift-Lite: 10 o'clock position.
4. Safety:
- Always consult your engine builder for maximum safe shift point before setting tachometer. Over-revving can cause serious damage.
5. Additional Resources:

- Contact Auto Meter Tech Support (866-248-6357 or [email protected]) if needed.
- Visit http://www.autometer.com/tech_faq.aspx for more information.

Important Notes:

- This tachometer uses an air core meter movement, so the pointer may not always rest at zero; it will correct itself when power is applied.