You are getting the Sears Analyzer with only one set of test wires for the dwell volts, the rest I can not find sorry.
Vintage Sears Engine Analyzer 12 V Model 28-2161 Engine Analyzer w/Box- TESTED
Sears Craftsman 161.210400 Sears Engine Analyzer Solid State Electronic WORKS b
Vintage Sears Engine Analyzer; Sears Timing Light & Remote Starter Switch; Etc.
Vintage SEARS Engine Analyzer Model 161.2161 Made in U.S.A.
Sears Engine Analyzer Model 2161 (28-2161) 12 Volt Ignition 4~6~8 Cylinders
Sears Engine Analyzer 28 21423 w/ Manual & Cables in Box Dwell Rpm Battery READ
