EGT EXT MOD STEPPER

Due to the incredibly sensitive nature of AutoMeter’s high precision Pyrometers, it is critical for the accuracy of the instrument that the length of the probe harness never be modified. Unfortunately, some applications require a much longer run than a typical installation. Up until now, there hasn’t been a solution. AutoMeter’s Pyrometer Extension Modules provide an easy, affordable way to extend you harness up to 75’ additional feet with no loss in accuracy or response. Engineered specifically to work with AutoMeter gauges, you’re assured of easy, plug and play functionality and unmatched durability.
• Easily extend the length of your Pyrometer Probe wiring up to 75 additional feet with no loss of accuracy or response.
• Ideal for diesel pushers or Marine applications.
• Simple hookup for Incandescent Lit AutoMeter Pyrometers. - (Sport Comp, Ultra Lite, Phantom, Z Series, Carbon Fiber, Pro Comp and Custom Shop)
• Pyrometer gauge and probe not included
• 5257 works with late model Pyrometers with 10 pin connector on the back.
• 5256 works with older Pyrometers with thread on probe connections.

Part Type

Gauge Wiring Harness

Vehicle Compatibility and Return Conditions.

This item was designed and engineered in the USA for US domestic vehicles. OBD tools, ECUs, dongles, programmers, and tuners may have limited compatibility with vehicles outside the USA due to regional differences in emission standards and system configurations. Some features and functionality may vary depending on the vehicle and location.

Some electronic tuning devices and programmers require activation, registration, or pairing with a specific vehicle’s VIN (Vehicle Identification Number). Once activated or paired, these devices may become permanently associated with that vehicle, restricting or preventing their use on another vehicle, resticting our ability to offer returns or exchanges.

Please review the product details and images to ensure it meets your needs. For clarification or assistance, feel free to contact a StreetFX agent. Note: Returns are not accepted for special order or tuning products unless the unit is deemed faulty.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Gauge Sender Harness, Replacement, Each

AutoMeter extension modules are designed to extend the wiring length of the thermocouple of any incandescent backlit AutoMeter pyrometer/EGT gauge up to 75 ft., without any loss of accuracy or response. These modules are great for use in rear engine applications, overhead console mounts, or any setup where the thermocouple wiring supplied with your pyrometer or EGT gauge is too short to successfully complete the installation.