This from Josh Boyajian:

Clarendon Hills Squad Co. 86. A 1994 Pierce Dash rescue squad. This unit it being replaced in the coming months with a brand new Pierce Enforcer 15′ walk-around heavy rescue squad.

Clarendon Hills Squad Co. 86

Clarendon Hills Squad Co. 86 – 1994 Pierce Dash rescue squad. Josh Boyajian photo