B3 - Load Test

^ Increase engine speed to 2000 rpm.

^ Turn heater-A/C blower on high and headlamps on high beam.

^ Voltage should read a minimum of 0.5 volt over base voltage.

Increases 0.5 volt or more -- Go to B4. B4 - Batt Drain With Key Off

Increases less than 0.5 volt -- Go to B5. B5 - Under Voltage Test