8253 Datasheet, PDF (2/4 Pages) Advanced Micro Devices – Programmable interval Timer

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INSTALLATION INSTRUCTIONS
Figure 1 Wiring to an MSD Digital-6 Plus and MSD Distributor.
WARNING:  Very high voltages are present at the coil when the engine is running. Never connect
any test equipment or touch the coil while the engine is cranking or running.
Figure 2 Wiring to an MSD Ignition with a Points/Amplifier Distributor.
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