TROUBLE-SHOOTING

MSD ignition Controls are known throughout the world for their performance and reliability. Unfortunately some problems do arise. This section is for those times when a little help is needed to help solve those situations.

Checking for Spark:
This test will determine if your MSD is producing a spark.

Engine Run-On

Import Trouble

Tachometer Problems

Inspect the Spark Plug Wires

Inspect the Magnetic Pickup

Timing Fluctuations

How to use the Boost Retard and Vacuum Advance features on the following part numbers:

• 6212
• 6562
• 6563
• 8973
• 8977
• 8979
• 7600
• MC-4 (motorcycle)
• 4215 (nitro harley)
• 7531/7535