MSD Ignition 7AL-3 7230 Скачать руководство пользователя страница 5

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INSTALLATION INSTRUCTIONS

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

Figure 6 Primary Wiring to a GM HEI with a 5 or 7-Pin Module (Points Trigger).

Figure 5 Primary Wiring to a GM HEI with a 4-Pin Module (Magnetic Pickup Trigger).

INHIBIT

RAS

OUTPUT

RAS

IGN

TACH

START

RETARD

PNTS

M+

M-

RET #1

RET #2

RET #3

RET #4

LAUNCH

BURNOUT

COIL +

TRIG

DIAG

COIL -

BATT -

BATT +

TO BATTERY

NEGATIVE

TO BATTERY

POSITIVE

4-PIN MODULE

NOTE: A LOW RESISTANCE HEI ROTOR

BUSHING, PN 8412, MUST BE USED

WITH AN MSD 7AL-3 IGNITION.

PN 8861

HARNESS

(THIS HARNESS

IS AVAILABLE

FROM MSD)

GREEN M-

VIOLET M+

BLACK

RED

18" BLK

ORANGE

KEY

CONNECTOR

WHITE

JUMPER

TO ENGINE OR

CHASSIS GROUND

HEAVY RED

OR PINK WIRE

FROM CAR

WIRING HARNESS

NOTE:MODULE AND WIRING

NEEDS TO BE REMOVED.

Содержание 7AL-3 7230

Страница 1: ...ith a GM HEI Distributor with an internal coil however the Rotor Bushing must be replaced with an MSD Low Resistance Bushing PN 8412 MOUNTING The 7AL 3 can be mounted under the hood but should be mounted in a position away from direct engine heat sources Use the ignition as a template and mark the location of the mounting holes Remove the unit and drill the holes using a 1 4 bit Install the vibrat...

Страница 2: ...om the distributor One terminal is for points style applications and the other two are for use with a magnetic pickup trigger such as an MSD Billet Distributor or Crank Trigger Note The Points and Mag Pickup terminals will never be connected at the same time Points If you are using a Points style distributor or electronic amplifier only the Points terminal will be used Connect the supplied WHITE j...

Страница 3: ...oints or Magnetic Pickup RETARD 0 1 2 3 OR GREEN VIOLET DISTRIBUTOR WITH MAGNETIC PICKUP NOTE THIS DIAGRAM ILLUSTRATES HOW TO INSTALL ANY MSD TIMING CONTROL MSD CRANK TRIGGER WHEEL MAGNETIC PICKUP CONNECTOR WHITE NOT USED RED YELLOW INHIBIT RAS OUTPUT RAS IGN TACH START RETARD PNTS M M RET 1 RET 2 RET 3 RET 4 LAUNCH BURNOUT COIL TRIG DIAG COIL BATT BATT TM TO BATTERY NEGATIVE TO BATTERY POSITIVE M...

Страница 4: ...d total timing The following diagrams show the installation to a Mallory and an Accel BEI distributor Figure 3 Primary Wiring to an Accel BEI Distributor Figure 4 Primary Wiring to a Mallory Unilite Distributor NOTE ALL 3 WIRE MALLORY DISTRIBUTORS CONNECT THIS WAY GM HEI DISTRIBUTOR The 7AL 3 can be wired to the GM HEI Distributor You must identify which module your distributor has to determine wh...

Страница 5: ...START RETARD PNTS M M RET 1 RET 2 RET 3 RET 4 LAUNCH BURNOUT COIL TRIG DIAG COIL BATT BATT TM TO BATTERY NEGATIVE TO BATTERY POSITIVE 4 PIN MODULE NOTE A LOW RESISTANCE HEI ROTOR BUSHING PN 8412 MUST BE USED WITH AN MSD 7AL 3 IGNITION PN 8861 HARNESS THIS HARNESS IS AVAILABLE FROM MSD GREEN M VIOLET M BLACK RED BLACK RED 18 BLK ORANGE ORANGE KEY CONNECTOR WHITE JUMPER TO ENGINE OR CHASSIS GROUND H...

Страница 6: ...n When the switch is released 12 volts is removed and the timing returns to run timing B Constant 12 Volts In this setup whenever the ignition is turned On 12 volts is applied and the retard function is activated The retard will be deactivated when the engine reaches about 1 300 rpm and will not occur again until the ignition is turned Off Connect the supplied jumper from the Start Ret terminal to...

Страница 7: ... rpm to your specified launch rpm module Note The Launch rpm limit is designed to override the Burnout limit This way if you activate the line lock on the starting line when the Launch terminal is activated through the trans brake or clutch switch the Launch rpm not the Burnout limit will be in effect After the car launches the Race rpm limit is activated to protect the engine from over revving RP...

Страница 8: ... the light 3 Place a 7 000 rpm module in the RAS plug When the engine reaches 7 000 rpm a ground path for the shift light will be supplied and the light will turn on Note The light will remain on until the rpm falls 5 below the amount of the module When you shift the rpm drops and the light turns off until 7 000 rpm when a ground path is again provided and the light turns on Incorporating the RAS ...

Страница 9: ...oving ground from the corresponding module The controlling terminals are listed as RET 1 through RET 4 and are located on the third terminal strip The modules can be activated in any order and are cumulative unless deactivated The maximum amount of retard allowed is a total of 20 even if the modules add up to more than 20 Note If a Retard function is not going to be used the corresponding terminal...

Страница 10: ... it to the Tach terminal strip Figure 13 If your tachometer reads erratic or does not operate properly a Tach Adaptor may be required If you are using the white wire to trigger points input you will need Adapter PN 8910 If you are using the magnetic pickup PN 8920 will be the right Adapter Contact your MSD dealer RETARD WITH THE RPM ACTIVATED SWITCH The MSD 7AL 3 has both an RPM Activated Switch R...

Страница 11: ...LED is a safety or warning function If it turns on a problem within the ignition is occurring If the Red Led is on inspect the wiring and connections If everything checks okay the ignition needs to be sent to the factory for inspection repairs MSD offers an Ignition Tester PN 8998 that will check the Ignition and Coil s operation The obsoleted Tester PN 8995 can only be used on the points input Wi...

Страница 12: ... will be repaired or replaced at the option of MSD Ignition Any item that is covered under this warranty will be returned free of charge using Ground shipping methods This shall constitute the sole remedy of the purchaser and the sole liability of MSD Ignition To the extent permitted by law the foregoing is exclusive and in lieu of all other warranties or representation whether expressed or implie...

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