1968 Evinrude Speedifour, Starflite 85HP Service Manual, Page 90Get this manual
connect one lead at voltmeter to red wire of voltage regulator connector, other wire to groundIf battery voltage is in excess of 15 volts, the regu-
lator should
replaced
Check the following before proceeding with electrical testing
Disconnect battery leads before tightening changing connections dash instruments any part of the charging circuitBatterySee Battery Testing"Battery and "Battery Maintenance" in this SectionWiringCheck for corroded loose tions, and clean and tighten connectionsCheck for worn frayed insulationCheck battery polarityIf polarity is versed, diodes will damagedFOR DAMAGE RECTIFIER DIODES as described under "Checking Rectifier Diodes dElectrical loadExcessive electrical load from too many accessories will run battery downAmmeterCheck ammeterfFuse Check
Figure 7-17Checking Voltage Regulator15