650066
Symptom Possible Problem Solution
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The oil or water display The engine block may not be Use heavy ground cables from the
reading is incorrect. grounded to the chassis frame battery to the engine block.
or body properly. Make sure both ends of the cable
have clean metal-to-metal
connections.
Use a braided ground strap to
ground the engine block to the
chassis.
Use a large braided ground strap
to ground the engine block to
the body or fire wall.
The threads are not grounding to Make sure no thread sealant is used
the engine block. on any of the threads.
The sending unit wire is picking Isolate the sending unit wire from
up noise from nearby wires. motor and ignition wires.
The sending unit is not Use the sending unit provided
compatible with the control box the display system.
The sending unit has failed. Return the sending unit to
Dakota Digital for replacement.
The gear shift indicator The optional gear shift sending Connect the sending unit to the
does not light up. unit is not connected to the control box using the
sending unit.
The gear shift indicator The gear shift decoder Check the connections to the
does not operate is not connected properly. transmission linkage and to
properly. the control box.
Check gear shift decoder
Installation manual.
The internal turn signal The control box is not connected Check the wires connected to the
and high beam to the vehicle's electrical HIGH, LEFT, and RIGHT
indicators do not light up. system properly. terminals on the control box.
The check engine The control box is not connected This feature is designed to work
indicator does not to a TPI control module. with engine control systems that
operate properly. provide an active low signal.
The check engine The Engine Control Module Connect a light or similar load
indicator stays on (ECM) needs to see the to the ECM along with the
all of the time. load of a light connected to it. control box.
The Function switches The push-button switches are Momentary push-button or toggle
do not operate not connected to the control switches must be connected to
properly. box. the SW1 and SW2 terminals
as described in the manual.
The wrong type of switch is The switch terminal connected
being used. to the control box should
normally be open. When the
the switch is activated, the
terminal should make contact
to ground.
The display system starts Sw 2 terminal is constantly Disconnect or replace the
up in the demonstration connected to ground. SW2 switch.
mode and remains in it.
(6 pages)
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