MSD Ignition 8998 Installation Instructions Manual

Digital ignition tester

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MSD Digital Ignition Tester
These instructions detail how to use the Ignition tester with an MSD 6, 7, 8, 10, or SCI Series Ignition
and the CPC Ignition, PN 7600. If you need to test an MSD DIS Ignition, you need tester PN 8996.
WARNING: Do not connect directly to the coil or this unit will be damaged.

PARTS INCLUDED:

1 - Digital Ignition Tester, PN 8998
1 - Load Plug

PROGRAMMING

When you first connect power to the Tester, the LCD will display the name and Part Number. You can
bypass this information by pushing the Red button. The Tester automatically defaults to the program
for an 8-cylinder, single trigger ignition system. To select different applications press the Red Select
button until the program you need is displayed.
PROGRAMS
8 - Cylinder
6 - Cylinder
6 - Cylinder Odd
4 - Cylinder
PN7600 - 8 Cylinder
PN7600 - 6 Cylinder

WIRING

The wires of the tester connect as follows. Note: The Cam Sync connector is only used with the Digital
Programmable 7 Series and Multi-Function Controllers.
Red:
Connect to 12 volts.
Black:
Connect to a good ground source.
White:
This is the trigger wire used to test the points/amplifier (white wire trigger) circuit of an MSD
Ignition.
Green/Violet: This 2-Pin connector is for testing the magnetic input circuit of MSD Ignitions. It plugs directly
into the MSD's magnetic pickup connector. Violet is mag (+) and Green is mag (-).
This is a 2-pin connector for testing the cam sync pickup circuit of an MSD Programmable
Cam Sync
Ignition or CPC Ignition System. It plugs directly into the MSD Digital 7 Programmable Ignition's
Lt. Blue/
cam pickup connector. Light Blue is cam (+) and Light Green is cam (-) . The CPC Ignition
Lt. Green:
is supplied with a harness adapter.
M S D
I G N I T I O N
PN 8998
Figure 1 Ignition Tester Programs.
• w w w . m s d i g n i t i o n . c o m • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • FA X ( 9 1 5 ) 8 5 7 - 3 3 4 4
PROGRAM SELECTION

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Summary of Contents for MSD Ignition 8998

  • Page 1 MSD Digital Ignition Tester PN 8998 These instructions detail how to use the Ignition tester with an MSD 6, 7, 8, 10, or SCI Series Ignition and the CPC Ignition, PN 7600. If you need to test an MSD DIS Ignition, you need tester PN 8996. WARNING: Do not connect directly to the coil or this unit will be damaged. PARTS INCLUDED: 1 - Digital Ignition Tester, PN 8998 1 - Load Plug PROGRAMMING When you first connect power to the Tester, the LCD will display the name and Part Number. You can bypass this information by pushing the Red button. The Tester automatically defaults to the program for an 8-cylinder, single trigger ignition system. To select different applications press the Red Select button until the program you need is displayed. PROGRAMS PROGRAM SELECTION 8 - Cylinder 6 - Cylinder 6 - Cylinder Odd 4 - Cylinder PN7600 - 8 Cylinder PN7600 - 6 Cylinder Figure 1 Ignition Tester Programs.
  • Page 2 INSTALLATION INSTRUCTIONS RPM ADjUSTMENT The MSD Digital Tester has two rpm adjustments; Coarse and Fine: Coarse Adjustment: When this knob is turned clockwise the rpm will increase in 100 rpm increments. This allows a large spread of rpm to be covered in a short period of time. Fine Adjustment: When this knob is turned clockwise the rpm will increase in 1 rpm increments for precise adjustments. Figure 2 Adjusting the Tester’s RPM. INSTALLATION & USE 1. Be sure the ignition is Off. 2. Remove the coil wire from the distributor cap and install the MSD Load Plug. Connect the Plug to a ground source. Make sure the ground source is away from fuel lines, the carburetor or throttle body as a spark will jump the gap. WARNING: A spark is going to jump across the tester’s gap. Make sure there are no fuel sources or wiring near the tester. Never touch the test plug with the tester connected. 3. Attach the Tester’s Red wire to a 12 volt source such as the positive battery terminal. 4. Connect the Black wire to ground. 5. Connect the trigger wire to fit your application. This will be the wire with the White alligator clip or the 2-pin connector for magnetic pickups. Note: The 2-pin mag pickup connector will n e v e r b e used with the White trigger wire.
  • Page 3 INSTALLATION INSTRUCTIONS Figure 4 Testing an MSD 6 Series Through the Mag Pickup. Figure 5 Testing an MSD 6 Series with a Timing Control. M S D I G N I T I O N • w w w . m s d i g n i t i o n . c o m • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • FA X ( 9 1 5 ) 8 5 7 - 3 3 4 4...
  • Page 4 INSTALLATION INSTRUCTIONS Figure 6 Testing an MSD 7 Series Ignition Through the White Wire. Figure 7 Testing an MSD 7 Series Ignition Through the Mag Pickup. M S D I G N I T I O N • w w w . m s d i g n i t i o n . c o m • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • FA X ( 9 1 5 ) 8 5 7 - 3 3 4 4...
  • Page 5 INSTALLATION INSTRUCTIONS Figure 8 Testing an MSD 7 Series with a Timing Control. Figure 9 Testing an MSD Programmable 7 Series Inition. M S D I G N I T I O N • w w w . m s d i g n i t i o n . c o m • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • FA X ( 9 1 5 ) 8 5 7 - 3 3 4 4...
  • Page 6 INSTALLATION INSTRUCTIONS Figure10 Testing an MSD 10 Series Ignition Control. Figure 10 Testing an MSD 10 Plus Ignition. M S D I G N I T I O N • w w w . m s d i g n i t i o n . c o m • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • FA X ( 9 1 5 ) 8 5 7 - 3 3 4 4...
  • Page 7 INSTALLATION INSTRUCTIONS Note: the Dual Coil MSD 10 haS beeN replaCeD by the MSD 10-pluS igNitioN. Figure 11 Testing a Dual Coil MSD 10 Ignition. TIPS & TROUBLESHOOTING: No spark after Tester is connected: • Inspect the wiring of the tester. Make sure you have a good ground and 12 volt source. • Check to make sure you have the correct testing program for your application. • Swap another coil in and repeat the test. If spark occurs, the coil is at fault. M S D I G N I T I O N •...
  • Page 8: Limited Warranty

    TECH NOTES _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________________ Service In case of malfunction, this MSD component will be repaired free of charge according to the terms of the warranty. When returning MSD components for warranty service, Proof of Purchase must be supplied for verification. After the warranty period has expired, repair service is based on a minimum and maximum fee. All returns must have a Return Material Authorization (RMA) number issued to them before being returned. To obtain an RMA number please contact MSD Customer Service at 1 (888) MSD-7859 or visit our website at www.msdignition.com/rma to automatically obtain a number and shipping information.

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