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Old 07-21-2018, 12:13 AM   #1
SunSoaked
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What is this?

85 k20. It has AC Delco marking. Plugged into the back of guage cluster behind speedometer. Is this part of the factory cruise or a speed sensor for the ecm? Thought it might be the cruise module but Google shows that as a black square box?
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Old 07-21-2018, 12:47 AM   #2
mongocanfly
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Re: What is this?

speed sensor for cruise control buffer
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