As we now have many different types of product, we have separated the instructions into separate documents. You will find the links below for the correct instructions for your product.

Dry Cell System Installation Instructions

Dry Cell System Installation Instructions for Semis and Larger

Constant Current PWM With Display

Digital Narrow Band Installation Instructions

Wide Band Series Installation Instructions

Frequency MAP/MAF Enhancer

Dual Edge MAP Enhancer

40A PWM Basic

OBD II Scanner Instructions

Wiring Diagrams

Oxygen Sensor Color Codes

Legacy Products - No Longer In Production

Installation Instructions for Analog EFIEs

Notes for Analog Circuit Board Types

Power Control Module

How to Read Your Analog EFIE

Dual EFIE Deluxe Range Adjustment

Using FuelSaver-MPG EFIEs With 24 Volt Systems