Auto Meter 3810 User Manual
12V BATTERY
2650-1136
2. Disconnect the negative (-) battery cable.
3. Gauge mounts in a 2
5⁄8
” hole for 2
5⁄8
” gauges, and a 2
⁄
” hole for 2
⁄
” gauges.
4. Connect the purple sender wire to the fuel level sender. Existing wires may be used, or route the
(The stock fuel level gauge, if equipped, must be disconnected.)
5. Connect the white wire to dash lighting or switchable 12v light source.
6. Connect one of the black wires to a good ground. (Either black wire, does not matter which one)
7. Connect the red power wire to a switched +12v source.
8. Reconnect the negative (-) battery cable.
If using a 0-90 ohm GM sender, separately insulate the ends of the brown and black wires with electrical tape, and coil them up
2. If any other sender type is required, connect a Radio Shack 275-1556 or equivalent momentary switch to the black and brown
wires (see illustration above), or alternately touch the stripped ends of the black and brown wires to simulate pushing the button.
3. Press and hold the button, and apply power to the gauge. The pointer will sweep back and forth stopping momentarily on each
⁄
8
-tank mark, indicating that the gauge is in sender select mode.
4. Allow the pointer to move to the appropriate location on the dial per the sender select chart (see next page), and release the
5. Remove power from the gauge to store the new sender type by turning off ignition switch.
6. Re-apply power to the gauge, and confirm that it reads the proper fuel level. If the proper fuel level is not read, return to step 3
and recalibrate. If the proper fuel level is still not indicated, perform Custom Sender Calibration.
7. Remove power from the gauge by turning off ignition switch.
8. Remove switch if used, and tape the ends of the brown and black wires, so they can not touch.
9. Coil the wires up under the dash.
GOOD ENGINE
GROUND
+ 12V CONNECTION
+ 12V DASH LIGHTING
CONNECT TO FUEL LEVEL
SENDER (MAKE SURE
SENDER IS GROUNDED)
As a safety precaution, the +12V terminal
of this product should be fused before
connecting to the 12V ignition switch. We
acting type cartridge fuse (Littlefuse
®
#312 001 or an equivalent).
CONNECT TO
CONNECT
TO GOOD GROUND
GAUGES ONLY
815-899-0801.
You may also email us at
service@autometer.com.
Additional information can also be found at
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. This warranty applies only to the original purchaser of product and is non-transferable. All implied warranties shall be limited in
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. Auto Meter
added to the cost of “RUSH REPAIR.”) If you are sending product back for Warranty adjustment, you must include a copy (or original) of your sales receipt from the place of purchase.
AUTO METER PRODUCTS, INC.
413 W. Elm St., Sycamore, IL 60178 USA (815) 899-0801
2650-1136 2/23/06
© 2006 Auto Meter Products, Inc
The fuel level gauge can be custom calibrated to accurately display the output from any fuel level sender with an output
2. Connect a Radio Shack 275-1556 momentary switch to the black and brown sender select wires (see illustration on previous
3. Press and hold the button, and apply power to the gauge. The pointer will begin sweeping back and forth stopping momentarily
on each
⁄
8
-tank mark indicating the gauge is in sender select mode. The pointer can be bumped to the next position by
7
⁄
8
-tank position and release the button.
4. Remove power from the gauge to enter custom calibration mode.
5. Re-apply power to the gauge, the pointer will move to a position just below the empty mark, indicating that the empty calibration
6. With an empty, or nearly empty tank, capture the empty calibration point by momentarily (less than one second) pushing the
switch. After approximately 1 second, the pointer will move to just above the full mark.
7. Fill the tank and momentarily press (less than one second) the sender select button or touch the brown and black wires to
capture the full calibration point. After approximately one second, the gauge will reset, and begin reading fuel level per the
custom calibration.
8. Confirm that the gauge reads the proper fuel level.
9. If the proper fuel level is read, go to step 10. If proper fuel level is not read, return to step 3 and recalibrate.
The pointer will move backward to the stop pin and then display actual fuel level. This procedure is an auto-calibration function and
Sender Type Pointer Position
Auto Meter Sender 240 - 33 ohms 1/2
Civic ‘01 - Present 131 -12 ohms 3/4
Custom Calibration 7/8
If no sender is connected, the pointer will move to the empty position indicating an error. Approximately 4 seconds after the sender
( )
(
)
(
)
(
)
(
)
(
)
(
)
FUEL
LEVEL
/2
E
F
1
/4
3
/4
1
/8
1
M
A
D
E
I
N
U
S
A
c
2
0
0
3
-
6
1
1
4
/4
1
/8
3
/2
1
/8
5
/4
3
/8
7
(E)
(F)
* Starting in ‘98, some GM models began using a different sender type.
If this calibration is not accurate, perform Custom Sender Calibration as described above.
The Super Bezel is a registered trademark of Auto Meter Products, Inc.
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