Mercury EFI SmartCraft Gauges Installation Guide
- July 3, 2024
- Mercury
Table of Contents
Mercury EFI SmartCraft Gauges
Product Specifications
- Model Number: 90-883065
- Release Date: April 2001
- Compatible with: Outboard Motors
- Wiring Harness Length: 20 or 30 ft.
- Monitor Type: System Monitor Tachometer
Product Usage Instructions
Outboard Motor Installation
To install the outboard motor, follow the steps below:
- Cutout the harness opening in the front rubber grommet.
- Route the SmartCraft wiring harness into the bottom cowl.
- Connect the SmartCraft wiring harness as shown below:
Frequently Asked Questions (FAQ)
Q: What should I do if I encounter difficulties during the wiring harness
connection?
A: If you face challenges during the wiring harness connection process, refer
to the installation manual for detailed diagrams and instructions. You can
also contact our customer support for assistance.
Wiring for SmartCraft Gauges – EFI Models
SmartCraft Wiring Harness Connection to the Engine
- Cutout the harness opening in the front rubber grommet.
- Route the SmartCraft wiring harness into the bottom cowl and connect as shown.
- Front Rubber Grommet – Cutout Harness Opening
- SmartCraft Harness
- Connection for SmartCraft Harness
Typical SmartCraft Installation Configurations – EFI Models
Single Engine Applications
Dual Engine Applications
Instrument/Lanyard Stop Switch Wiring Diagram (Dual Outboard)
- a – Ignition/Choke Switch
- b – Lanyard Stop Switch
- c – Lead Not Used on Outboard Installations
- d – Retainer
- e – Tachometer
- f – Trim Indicator Gauge
- g – Temperature Gauge
- h – Remote Control
- I- Synchronizer Gauge
- j – Synchronizer Box
IMPORTANT: On installations where gauge options will not be used, tape back
and isolate any unused wiring harness leads. 
- k – Lanyard/Diode
- I – “Y” Harness
- m – Power Trim Harness Connector
- n – Connect Wires Together with Screw and Hex Nut (4 Places );Apply Quicksilver Liquid Neopreneto Connections and Slide Rubber Sleeve over Each Connection.
- o – Lead to Visual Warning Kit
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>