Test Lamp Procedure

With yellow and white wires disconnected from switch, connect a jumper wire from accessory terminal in fuse panel to one switch terminal. Connect test lamp to other terminal and ground. With switch in "OFF" position, lamp should light. With switch terminals reversed, lamp should not light. With switch in "ON" position, lamp should light with leads on either of switch terminals.

Fig 1: Testing Pacer Window Grids Using Voltmeter By Checking Voltage Drop For Grid Continuity

Courtesy of AMERICAN MOTORS/RENAULT CORP.