Standard Motor Products Blower Relay RY-4. See pic.

HVAC Blower Motor Relay Standard RY-4 NEW VINTAGE MADE IN U.S.A.

69-79 Cadillac Air-Conditioning A/C Relay NOS DELCO 1496668 AR103 RY4

Standard Ignition A C Compressor Control Relay Hvac Blower Motor Relay

CADILLAC 1969-1979--BLOWER-NEW -AC-Relay -

Standard Motor Products RY-4 Blower Relay

Standard Motor Products HVAC Blower Motor Relay, 12V, P/N RY-4

Standard Motor Products Relay. Part RY4. See pic.