Page 2 - operate momentarily with a supply voltage as low as 9 Volts.; Note: The negative battery terminal must be grounded; 2 volt square wave signal with a 30° duty cycle.; Solid Core spark plug wires cannot be used.; PROGRAMMING OPTIONS
2 INSTALLATION INSTRUCTIONS M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 MULTIPLE SPARKS The Midget Ignition produces full power multiple sparks for each firing of a plug. The number of multiple sparks that occur de...
Page 3 - HAND HELD PROGRAMMER, PN 7550; PROGRAMMING FEATURES; RUN TIMING RETARD CURVE; Figure 1
INSTALLATION INSTRUCTIONS 3 M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 HAND HELD PROGRAMMER, PN 7550 The Hand Held Programmer (Fig. 1) allows you to select and program the different features of the Programmable Mi...
Page 4 - Note: There is an offset of 4° from the input signals
4 INSTALLATION INSTRUCTIONS M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 REV LIMITER An overrev rpm limit can be programmed in 100 rpm increments from 2,000 to 15,000 rpm. The limiter has a default setting of 9,500 ...
Page 5 - TRIGGER WHEEL FABRICATION; MOUNTING THE TRIGGER PICKUPS; Figure 2 Mounting the Magnet in the Trigger Wheel.
INSTALLATION INSTRUCTIONS 5 M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 TRIGGER WHEEL FABRICATION Due to the variety of engines and applications, a crank trigger wheel is not offered and must be fabricated. The bra...
Page 6 - WIRING AND INSTALLATION; MOUNTING; Figure 4 Installing the
6 INSTALLATION INSTRUCTIONS M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 WIRING AND INSTALLATION MOUNTING The Ignition Control can be mounted in any position but should be kept away from direct engine heat sources. ...
Page 7 - specified to go to ground, it should be connected to the; battery negative terminal, engine; SETTING STATIC TIMING; pickup should be connected to the Violet and Green wiring harness.; Figure 5 Wiring the MSD Programmable Midget Ignition System.
INSTALLATION INSTRUCTIONS 7 M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 Grounds: A poor ground connection can cause many frustrating problems. When a wire is specified to go to ground, it should be connected to the...
Page 8 - INSTALLATION; SAVES AND TRANSFERS
8 INSTALLATION INSTRUCTIONS M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 Pro-Data+ Programming Instructions These instructions will walk you through the different programming features of the Midget Ignition using th...
Page 9 - MONITOR; DEFAULT SETTINGS; REV LIMITER OPTIONS; Display; Figure 6 RPM and Retard Monitor.
INSTALLATION INSTRUCTIONS 9 M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 MONITOR The rpm meter is a graphical interface that allows you to monitor the rpm and retard func- tions of the Midget Ignition while the engi...
Page 10 - ALTERNATE TIMING CURVE
10 INSTALLATION INSTRUCTIONS M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 ALTERNATE TIMING CURVE AltCurve – (Default - See Graph) The Midget Ignition allows you to program a timing curve that is only active when the...
Page 11 - ALERTS; The Alerts will provide a flash code to the LED on the outside of; Data Editor Window; MENU TREE; Menus; PN 6214 Flow Chat with Hand Held Monitor; as displayed on the 7550 Terminal
INSTALLATION INSTRUCTIONS 11 M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 ALERTS Alerts – (Default - (1) Scan - The Alerts will provide a flash code to the LED on the outside of the Ignition. This indicates a Low Ba...
Page 12 - TROUBLESHOOTING; LED; idle speeds when everything is functioning properly.; MISSES AND INTERMITTENT PROBLEMS; grounded to the engine block.
12 INSTALLATION INSTRUCTIONS M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 TROUBLESHOOTING Every MSD Ignition undergoes numerous quality control checks including a four hour burn-in test. If you experience a problem ...
Page 13 - CHECKING FOR SPARK; Figure 7 False Triggering Channel
INSTALLATION INSTRUCTIONS 13 M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 CHECKING FOR SPARK 1. Make sure the ignition switch is in the “Off” position. 2. Remove the coil wires from the spark plug and set them appro...
Page 14 - Tech Notes
14 INSTALLATION INSTRUCTIONS M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4 Figure 12 - DIS SYSTEMS Wiring PN 8870 Coil Spacers with GM Ignitions. Tech Notes ___________________________________________________________...
Page 16 - Limited Warranty; Service; Proof of Purchase must be supplied for verification. After; issued to them before; M S D; Revised; TECH NOTES
Limited Warranty M SD warrants this product to be free from defects in material and workmanship under its intended normal use*, when properly installed and purchased from an authorized MSD dealer, for a period of one year from the date of the original purchase. This warranty is void for any products...