1987 Johnson Evinrude "CD" Colt/Junior thru 55 Commercial service repair manual, P/N 507546, Page 195Get this manual
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3 Ohmmetercapable of indicating low ohms (Rx1) and high ohms (Rx1 0,000)4 Jumper wires (four required)jumper leads can be made as shown :
OMC PI 510628 Tubingin (2