1992 Johnson Evinrude "EN" 90 deg. Cross V Service Manual, P/N 508145, Page 107Get this manual
Troubleshooting Test Equipment
The following equipment is available from various manufacturers to support your ignition and electrical system troubleshootingManufacturer ordering addresses are on the rear inside cover of this manual
rv SparkStevens NoS21, S13C, or S48 testers:
Merc-O- Tronic No55-4S or 55-6S
f21 Peak-reading voltmeters:
Merc-O- Tronic No781 Stevens NoCD-77 Electro-Specialties NoPRV-1 Merc-O- Tronic No700 VOA Stevens NoAT-101
Ial Ohmmeter capable of reading low and high ranges :Component temperature can affect resistance values at rate of 10 ohms per FAll resistance values listed in this manual are correct at room temperature (70 or 21 C)f41 lgnition module load adapter: Stevens NoPL-88 f51 lgnition coil terminal extenders: Stevens NoTS-77