What is the little black box with a green light under the instrument cluster

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I was hooking up a power relay under the instrument cluster for external lights and I found some disconnected wires and a little black box with no markings and a green light was wondering what the box was I can't find any description or anything about it anyway

spidermonkey.srh in Yuba City CA

Mar 31, 2018

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What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 1997 GMC Jimmy. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is the little black box with a green light under the instrument cluster

What is your question?

spidermonkey.srh in Yuba City CA

Mar 31, 2018

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pushrodon Mar 31, 2018

Likely a disconnected aftermarket alarm system that malfunctioned - as they all eventually do.

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 1997 GMC Jimmy. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.