Wiring, Caution, Warning – Auto Meter 4389 User Manual

Page 2

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12V BATTERY

(-)

(-)

(+)

(+)

AUT

O MET

ER PRODUCTS INC.

©

2005

SYCAMORE IL USA 4497

ULTRA-LITE

RPM

THOUSANDS

10

1

0

2

4 5 6

7

8

9

3

OR

OR

OR

OR

WIRING

Green

Fuse

Red

See “Warning” below

Tach output on

Electronic Ignition

Ignition

Switch

12V Battery

Good

Engine

Ground

Tach

(See

Caution

Below)

Remote Start or

Manual Arm Switch

Caution!!!

As a safety precaution the RED wire of this product should be
fused before connecting it to the positive (+) side of the 12V DC
battery. We recommend using a 4 Amp, 3AG fast-acting type
cartridge fuse (Littlefuse® #312 004 or an equivalent) inline with
the RED wire of our product.

WARNING

Warranty will be void if connected to coil
when using an aftermarket ignition box such
as, but not limited to products from the fol-
lowing manufacturers: MSD, Crane, Jacobs,
Mallory, Holley, Etc.. Prior to installation of
your tachometer, check with the ignition box
manufacturer for recommended tachometer
signal location.

Violet
(Optional Level 3 Only)

Brake or

Clutch

Switch

Trans Brake

or

Line lock

Solenoid

Black

Green

Blue

Blue

Blue

Good

Engine

Ground

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