Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 701Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 701

Quality of the image is intentionally reduced!

DIAGNOSTICS

121 BRN OR GRY 121 WHT

CIRCUIT DESCRIPTION:
When the system is running on the ignition module or in crank mode, there is no voltage on CKT 424, and the igni