Classic Instruments Holley ECU Zeus-Link Interface Module Except Sniper II

Designed for flexibility, this Classic Instruments Zeus-Link Interface Module (SN73Z-S1) enhances connectivity and functionality for all Holley ECUs excluding the Sniper II. It will query your vehicle to find the right parameters for the gauges you wish to use! It features room for eight gauges total: six standard gauges and two auxiliary gauges of your choice.

Features and Benefits:
- Queries vehicle upon install to determine what can be used as gauge input
- Holds space for 6 standard gauges: speedo, tach, fuel, oil, volt, temp
- Holds space for 2 auxiliary gauges of your choice
- Set up and managed through mobile app which configures gauge cluster and signals
- App's virtual gauge screen lines up with dash instruments
- Displays values from Zeus-Link, allowing you to cycle through predetermined positions
- Allows for verifications of correct outputs and wiring
- Features warning and check engine light outputs, plus dash light connection
- Harness plugs directly into Zeus-Link, then Holley ECU/OBD
- Holley harness includes extra Holley ECU connector for other devices
- On-board diagnostic lights give status of power, BLE, data on the circuit board for Zeus-Link
- Pass-through CAN port connection for other CAN devices
- Compatible with all Classic Instruments sending units and gauges

The use of this module, including setup configuration and determining signal sources, is managed through a mobile app which shows a virtual gauge screen matching up with the physical dash instruments. On the virtual dash, you can cycle through various predetermined positions while verifying the correct output for each gauge.  The app offers easy diagnostics, displaying values received by Zeus-Link, and allows users to cycle gauges to predetermined positions to verify correct outputs and wiring. The Zeus-Link module includes warning and check engine light outputs, with external contacts for dash light connection. All gauge connections to the Zeus-Link include power, ground, signal, and dash lights.

The harness plugs directly into the Zeus-Link and then to the Holley ECU or OBD, with an additional Holley ECU connector for other devices. On-board diagnostic lights indicate the status of power, BLE, and data on the circuit board. The module features a pass-through CAN port connection for other CAN devices and is compatible with all Classic Instruments sending units and gauges.

Please Note:
- Connects to Holley Sniper ECU and all other Holley ECUs (Dominator, HP, Terminator X, and Terminator X Max).
- Does NOT connect to Sniper II.

Vehicle Fitment:
- 1965-1985 Mustang
- 1966-1977 Bronco
- 1948-1979 F-100
- 1960-1987 Chevrolet C10