6
Trouble shooting guide
Problem
Possible Cause
Solution _
Tachometer will not work.
No power to DSL1.
Check the power and ground terminals
lights are off.
on the DSL-1. Should be 11-15 V dc.
Tachometer will not work.
No input signal.
Test for 1-20 volts AC at the signal
dot is on steady.
in terminal with the engine running.
DSL-1 set for wrong input
Change the Setup –
SIG
option.
type.
See instructions on page 1.
Grounding interference.
Make sure both the speed sensor and
DSL-1 are grounded at the same point.
Tachometer will not work.
Wrong output type.
Try switching from normal output
dot is flashing.
to the high voltage output.
High voltage boost required.
Use HI VOLT to drive gauge and jumper
NOT USED terminal over to HI VOLT.
Tachometer will not
DSL-1 set for wrong input
Change the Setup –
SIG
option to
LO
.
read at low RPM.
type.
See instructions on page 1.
Tach signal is too low.
Check sensor connections for ground
problems or shorts. Test the ground
connection between DSL-1 and sensor.
Check for another device loading down
the sensor.
Tachometer will not
DSL-1 set for wrong input
Change the Setup –
SIG
option to
HI
.
read at high RPM.
type.
See instructions on page 1.
Tachometer will read
Ignition wire too close to
Route the sensor signal and ignition
when the engine is off
sensor signal wire.
or injector wires away from each other
to avoid interference.
Signal In and OUT wires
Route the input and output wires away
routed too close.
from each other to avoid feedback.
Ground interference.
Make sure the speed sensor and DSL-1
are grounded together.
Sensitivity set incorrectly
Change the Setup –
SIG
option to
HI
.
SERVICE AND REPAIR
DAKOTA DIGITAL offers complete service and repair of its product line. In addition, technical consultation is available to help you work
through any questions or problems you may be having installing one of our products. Please read through the Troubleshooting Guide. There, you will
find the solution to most problems.
Should you ever need to send the unit back for repairs, please call our technical support line, (605) 332-6513, to request a Return
Merchandise Authorization number. Package the product in a good quality box along with plenty of packing material. Ship the product by UPS or
insured Parcel Post. Be sure to include the RMA number on the package, and include a complete description of the problem with RMA number, your
full name and address (street address preferred), and a telephone number where you can be reached during the day. Any returns for warranty work
must include a copy of the dated sales receipt from your place of purchase. Send no money. We will bill you after repair.
Dakota Digital Limited Lifetime Warranty
DAKOTA DIGITAL warrants to the ORIGINAL PURCHASER of this product that should it, under normal use and condition, be proven
defective in material or workmanship for the lifetime of the original vehicle it was installed in, such defect(s) will be repaired or replaced at Dakota
Digital’s option.
This warranty does not cover nor extend to damage to the vehicle’s systems, and does not cover diagnosis, removal or reinstallation of the
product. This Warranty does not apply to any product or part thereof which in the opinion of the Company has been damaged through alteration,
improper installation, mishandling, misuse, neglect, or accident. Dakota Digital assumes no responsibility for loss of time, vehicle use, owner
inconvenience nor related expenses.
Dakota Digital will cover the return standard freight once the product has been evaluated for warranty consideration, however the incoming
transportation is to be covered by the owner.
This Warranty is in lieu of all other expressed warranties or liabilities. Any implied warranties, including any implied warranty of
merchantability, shall be limited to the duration of this written warranty. No person or representative is authorized to assume, for Dakota Digital, any
liability other than expressed herein in connection with the sale of this product.
WARNING: This product can expose you to chemicals including lead, which is known to the
State of California to cause cancer and birth defects or other reproductive harm. For more
information go to
www.P65Warnings.ca.gov
