Msd 8956 Window RPM Activated Switch Installation Bedienungsanleitung PDF herunterladen

IMPORTANT: Read the instructions before attempting the installation.

Parts Included

1 - RPM Window Switch

4 - Self Tapping Screws

Note: RPM Modules must be purchased separately. See the chart on the last page for part

numbers.

The RPM Activated Window Switch can be connected to stock ignition systems or MSD Ignitions. When

using a capacitive discharge ignition such as an MSD, do not connect the Switch to the coil negative

terminal. Damage to the Switch may occur.

The Switch is capable of carrying 1.5 amps. If the circuit you are activating requires more current, an

MSD Relay, PN 8960 or 8961 must be used. The MSD RPM Activated Switch is equipped with a "smart

driver". This circuit will protect the RPM Switch from damage by monitoring its temperature. If there is an

inadvertant short or too much current is drawn through the Switch, the smart driver will sense the increased

temperature and shut the Switch off. However, once the temperature drops to a safe point, the smart driver

will turn the Switch back on. It will continuously cycle On and Off as the temperature dictates.

If you experience a problem with your Switch not operating, turn the circuit off for a few minutes to cool, then try

again. If the circuit activates then shuts off, there may be too much current ﬂow. Check the device's Installation

Instructions to ﬁnd its recommended maximum current.

The RPM Window Switch has a circuit that activates a device by providing a ground path at a desired

rpm (Figure 1). The ground will be removed at a different rpm to deactivate the device. If no rpm

module is installed, the device will remain activated as long as the rpm is above the activation amount.

Figure 1 Operation of the RPM Window Switch.

4 - Heat-Shrink Caps

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

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MSD RPM Activated Window Switch

PN 8956

1 2 3 4

Seite 1

IMPORTANT: Read the instructions before attempting the installation.Parts Included1 - RPM Window Switch4 - Self Tapping ScrewsNote: RPM Modules must

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2 INSTALLATION INSTRUCTIONSM 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

INSTALLATION INSTRUCTIONS 3M 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

RPM Module Kits are supplied with ﬁve modules in a range of 200 rpm increments. There are even number sets and odd number sets available. Example: PN

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Msd 8956 Window RPM Activated Switch Installation Bedienungsanleitung