What’s this plug for ?

RTOM · 2023-02-01T19:39:06+0000

Having issues with cold starts (single digits) before and after work. When at home I’ve got it on a battery charger. (New battery about a month ago). I see this plug behind the grill - would this be for an engine block warmer ? Would that help ?

By RTOM
February 1, 2023 in Troubleshooting & Recalls

https://www.gm-trucks.com/forums/topic/262022-what%E2%80%99s-this-plug-for/

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