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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.
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The Manual for the 5257 states that the system can be extended 75 feet. How should this be done?

Asked by: ChuckE
When looking at the instructions you can see on the image for page 3 that you can extend the wiring after the shunt going to the module.
Answered by: Steve from AutoMeter
Date published: 2022-07-06

If the module cannot be installed within 10 feet of the probe. Can the probe wires be extended using GXL wire?

Asked by: ChuckE
The probe wires cannot be extended.
Answered by: Steve from AutoMeter
Date published: 2022-07-06

Will this work with a AutoMeter 3844 GS Electric Pyrometer Gauge Kit with Green LED Lighting?

Asked by: jgreen
Thank you for your question. No, this will not work with any LED lit gauges.
Answered by: Zach from AutoMeter
Date published: 2019-11-18

Will this with work a Cobalt or Ultra-lite digital readout gauge? They have a 10 pin connector, but they do not have an incandescent backlite which is defines compatibility, can you help?

Asked by: Double-D
Thank you for your question. Unfortunately, this extension will not work with our digital gauges.
Answered by: Zach from AutoMeter
Date published: 2018-11-28
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