The DeWalt DCC0201 (aka DCC018) Air Pump is one of my most handy DeWalts on the shelf. After about 2 years of faithful service, this one now lights up but the pump does not engage when on battery power. However, if I was to use external power, it works normally.

This video walks through the repair of the DCC0201 to bring the pump back to life. After replacing once of the two relays, all works like new.

Relays used in video (also shown in the video):
For the Battery Input:
SANYOU SRG-S-118DM 18VDC Power Relay 4Pins
For the 12v Line Input:
SANYOU SRG-S-112D 12VDC Power Relay 5Pins

Enjoy!

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