1993 Johnson Evinrude "ET" 2 thru 8 Service Manual, P/N 508281, Page 102Get this manual
Troubleshooting Test Equipment
r::-::J 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
[!] Spark testers:
Stevens NoS21, S13C, or S48 Merc-O- Tronic No55-4S or 55-6S
Peak-reading voltmeters: Merc-O- Tronic No781 Stevens NoCD-77 Electro-Specialties NoPRV-1
[!] Ohmmeter capable of reading low and high ranges:
Merc-O- Tronic No700 VOA Stevens NoAT-101