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Home >> Mercury >> 1995 >> Villager LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panels - Electronic >> Pinpoint Test >> Pinpoint Test P: Speed Control Indicator Does Not Come On When Speed Control Engaged >> P1: Check Speed Control Amplifier Signal

P1: Check Speed Control Amplifier Signal

Access the speed control amplifier and measure the voltage on the Red/Yellow wire at the speed control amplifier connector with the connector connected. See WIRING DIAGRAMS  . Drive the vehicle. Turn the speed control switch ON. Accelerate the vehicle to over 30 mph (48 km/h). Depress the COAST/SET switch. Turn the speed control switch OFF. Is the voltage greater than 10 volts with the speed control set, and less than 1 volt with the speed control off? If yes, go to the next step. If no, replace speed control amplifier. See SPEED CONTROL AMPLIFIER  under REMOVAL & INSTALLATION.

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