Page 1
112
2
1 2
4 CYL. / 2 PULSE
6 CYL. / 3 PULSE 8 CYL. / 4 PULSE
DN DN
DN UP UP UP
INSTALLATION INSTRUCTIONS
1
2
SIG LAMP OUT
+12V
GND
GND
LAMP + 12V
IMPORTANT
IN-DASH ELECTRIC T
®
For Use on Early Model & Most Electronic Ignitions
2650-1033A
QUESTIONS
If after completely reading these instructions you have questions regarding the operation or installation of your instrument(s),
Additional information can also be found at http://www.autometer.com/tech_faq.aspx
please contact Auto Meter Technical Service at 815-899-0801.
You may also email us at service@autometer.com.
Calibration
IMPORTANT: This tachometer is factory calibrated to operate on 8 cylinder
engines. For 4 or 6 cylinder engines, it is necessary to make the proper adjustments to
adapt this tachometer to your cylinder range.
Locate the switch hole on the back of the tachometer. Move each of the two
switches to the proper cylinder selection according to the diagram
illustration on the right. Apply included label over switch hole.
NOTE: This tach ome ter has an ai r co re meter. Wit h
Figure A.
8 CYL. (4 pulse)- Both switches up.
6 CYL. (3 pulse)- Switch One down, Switch Two up.
4 CYL. (2 pulse)- Both switches down.
power o
zero. Whe n po wer is appli ed, the pointer wil l
move to th e co rrect posit ion .
ff, i t is normal for t he pointer to le ave
ACHOMETER
:
SWITCH HOLE
Figure A.
WEAR
SAFETY GLASSES
If you are unsure of your vehicle s pulse(s) per revolution or specific
calibration requirements, contact Auto Meter s Service Dept. at (815)
899-0851, or go to www.autometer.com/hp/techtips for information.
33⁄8 " SIZE SHOWN
Lens Cleaning
Models: 4497, 4498, 4798, 4898
To prevent scratching the lens when
cleaning, use a mild, soapy solution to
clean. Wipe
lightly with a soft cloth.
Note:
This tachometer operates on most early model
ignitions, factory electronic and high
performance electronic racing ignitions.
Mounting
1. Mount a 33⁄8" tachometer in a 33⁄8" dia. hole and a 5" tachometer in a 4 5⁄8" dia. hole in the dashboard. (Be careful not to cut the hole
too large.)
2. Cut a 3⁄8" dia. hole in the firewall for the tachometer wires. Place a rubber grommet in the hole and route the connector wires through
the grommet to the engine compartment.
3. Connect the tachometer wires as shown in the Wiring
4. Secure the tachometer to the dashboard using the provided bracket and hardware.
" Models
33⁄
8
13⁄4"
Section.
5
" Models
23⁄8"
33⁄4"
311⁄
32"
415⁄
16"
419⁄32"
Page 2
12V BATTERY
COIL
- OR -
1
1
2
2
1 2
4 CYL. / 2 PULSE
6 CYL. / 3 PULSE 8 CYL. / 4 PULSE
DN DN
DN UP UP UP
+
_
SIG LAMP OUT
+12V
GND
GND
LAMP + 12V
WIRING
12V IGNITION
SWITCH
Fuse
GROMMET
IN FIREWALL
LIGHT WIRE DASH
LIGHTING
CIRCUIT
12 VOLT (+)
CAUTION!
As a safety precaution, the +12 V terminal of this product should
be fused before connecting it to the 12V ignition switch. We
recommend using a 4 Amp, 3 AG fast-acting type cartridge fuse
(Littlefuse® #312 004 or an equivalent).
OR
EARLY
MODEL
IGNITION
ELECTRONIC IGNITION
WARNING
arranty will be void if connected to coil
W
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.
TACH
TERMINAL
VICE
For service send your product to
need the product back. If you need it back immediately mark the outside of the box "RUSH REP
be added to the cost of "RUSH REPAIR.") If you are sending product back for
Auto Meter Products, Inc. warrants to the consumer that all Auto Meter High Performance products will be free from defects in material and workmanship for a period of twelve (12) months from date of the
original purchase. Products that fail within this 12 month warranty period will be repaired or replaced at Auto Meter's option to the consumer, when it is determined by Auto Meter Products, Inc. that the product
failed due to defects in material or workmanship. This warranty is limited to the repair or replacement of parts in the Auto Meter instruments. In no event shall this warranty exceed the original purchase price of
the Auto Meter instruments nor shall Auto Meter Products, Inc. be responsible for special, incidental or consequential damages or costs incurred due to the failure of this product. Warranty claims to Auto Meter
must be transportation prepaid and accompanied with dated proof of purchase.
duration to the said 12 month warranty period. Breaking the instrument seal, improper use or installation, accident, water damage, abuse, unauthorized repairs or alterations voids this warranty
Products, Inc. disclaims any liability for consequential damages due to breach of any written or implied warranty on all products manufactured by Auto Meter.
©2005
FOR SERVICE SEND TO: AUTO METER PRODUCTS, INC. 413 W. Elm St., Sycamore, IL 60178 USA (815) 899-0801
Auto Meter Products, Inc.
Auto Meter in a well packed shipping carton. Please
Warranty adjustment, you must include a copy (or original) of your sales receipt from the place of purchase.
12 MONTH LIMITED WARRANTY
This warranty applies only to the original purchaser of product and is non-transferable. All implied warranties shall be limited in
Email us at service@autometer
SER
include a note explaining what the problem is along with your phone number. Please specify when you
AIR," and Auto Meter will service product within two days after receiving it. ($10.00 charge will
. Auto Meter
.com
2650-1033A 9/12/05
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