Replace Auxiliary Battery Relay
Charging System
Replacement of the relay that controls power delivery to the auxiliary battery, a secondary battery that powers accessories when the main battery voltage drops. A failed relay can prevent the auxiliary battery from charging or powering key vehicle systems
Estimated Cost
$70–$210🔒
Parts + labor, based on the parts this service typically requires. Not specific to your vehicle or region — this spans all vehicles, all regions, and all part grades, so treat it as a rough ballpark rather than a quote.