Auto Meter 1290 - Manual (Page 2)

mounting
3 3 /
8
" models
2 1 / 8 "
3¾ " 3 11 / 32 "
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 3 ⁄
8
" tach/speedo in a 3 3 ⁄
8
" dia. hole
and a 5" tach/speedo in a 4 5 ⁄
8
" dia. hole in the
dashboard. (be careful not to make the
hole too large.)
2. Cut a 3 ⁄
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
4 15 ⁄
16
"
2 3 ⁄
8
"
4 19 ⁄
32
"
Sine
Wave
2 Wire
Sender
V.S.S.
GND
PCM,
ECM,
COMPUTER
IF COMPUTER
CONTROLLED
TAP ONTO
HI-SIDE V.S.S.
SIGNAL
OR
HI
LO
LO
HI
IF NO
COMPUTER
Can use to power a 3 wire speed
sensor or another gauge