1998 Johnson Evinrude "EC" 125C, 130, 200, 225, 250 90 deg LV Service Manual, P/N 520212, Page 191Get this manual
10 DR4077 DR4078
STEPSENSOR COIL TEST
Ground Test
[] 1Disconnect 5-pin Amphenol connector between timer base and power pack2Set peak-reading voltmeter to "POS" and "5", "SEN" and "5" on Stevens CD-77 meter[] 3Alternately, connect voltmeter between each timer base terminal and clean engine groundCrank engine and observe meter at each connection Any reading indicates sensor coils or leads are grounded Locate and repair ground, or replace timer base4If no reading is indicated in Step 3, go to Output TestOutput Test