Auto-meter 1290 User Manual download pdf (Page 2)

Mounting

" Models

3¾"

Wiring

Auto Meter Hall-Effect senders (Square Wave)

- Models 5291 (standard 7/8-18 thread) & 5292

(Ford Plug in Sensor), 3 wire sender, cruise.

SPEED

White

Grommet

7/8-18 thread

Remove cap for cruise

control cable, otherwise

leave cap installed.

On 5291 and 5292 Sender

Transmission

take-off

GND

FUSE

(SEE CAUTION)

Red

Black

3-Wire Sender

12V

IGNITION

SWITCH

Back of

speedometer

Drive Key

.104 sq x .104 sq

GND

12V DASH

LIGHTING

GND

+12V

GND

TACH

LAMP

VSS

+12V

Good Engine Ground

Grommet

SPEED

GND

+12V

GND

TACH

LAMP

VSS

+12V

(OR)

Electronic Ignition

Tach

Terminal

(OR)

Early Model

Ignition

WARNING

Warranty will be void if

connected to coil when using

an aftermarket ignition box

such as, but not limited to

products from the following

manufacturers: MSD, Crane,

Jacobs, Mallory, Holley, Etc..

Prior to installation of your

tachometer, check with the

ignition box manufacturer for

recommended tachometer

signal location.

NOTE: The speedometer signal output terminal (VSS) produces

a +5 volt DC Square wave signal. This signal may be

able to be used as a VSS signal with some OEM and

aftermarket ECM’s and cruise control units.

CAUTION!

As a safety precaution, the power wire to this product should be fused before

connecting it to the positive (+) side of the 12 VDC battery. We recommend using a

1 Amp fuse.

Use 20 AWG

stranded or heavier

wire for hook-up

Most OEM style or Factory Installed,

2 wire senders (Sine Wave)

IMPORTANT

When using most OEM/factory installed

(2 wire) senders, you must calibrate the

speedometer before it will function properly.

Sine

Wave

2 Wire

Sender

Use 20 AWG stranded or

heavier wire for hook-up

VSS to ECM

(see Note)

1. Mount a 3

⁄8" tach/speedo in a 3

⁄8" dia. hole

and a 5" tach/speedo in a 4

⁄8" dia. hole in the

dashboard. (be careful not to make the

hole too large.)

2. Cut a

⁄8" dia. hole in the firewall for the

tach/speedo wires. Place a rubber grommet in

the hole and route the connector wires through

the grommet to the engine compartment.

3. Connect the tach/speedo wires as shown in the

wiring section.

4. Secure the tach/speedo to the dashboard using

the provided bracket, and hardware.

5" Models

⁄16"

⁄8"

⁄32"

Sine

Wave

2 Wire

Sender

V.S.S.

GND

PCM,

ECM,

COMPUTER

IF COMPUTER

CONTROLLED

TAP ONTO

HI-SIDE V.S.S.

SIGNAL

IF NO

COMPUTER

Can use to power a 3 wire speed

sensor or another gauge

1 2 3

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Auto-meter 1290 User Manual Page 2

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