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Published 01-14-2021 Control # 707-01
ELECTRICAL SYSTEM
TMS9000-2 SERVICE MANUAL
Relay Panel Component Replacement
Accessory Relay and Flasher Replacement
1.
Make sure that the key switch has been in the OFF
position for 2 minutes.
2.
Turn the battery disconnect switch to the OFF position.
3.
Remove the cover from the relay panel.
4.
Tag and disconnect the electrical leads from the suspect
relay or flasher.
5.
Remove the hardware securing the suspect relay or
flasher to the relay panel assembly. Remove suspect
relay or flasher.
6.
Install replacement relay or flasher on relay panel and
secure it with attaching hardware.
7.
Connect the electrical leads to the relay or flasher as
tagged during removal.
8.
Install the cover.
9.
Turn the battery disconnect switch to the ON position.
10.
Verify proper installation by operating all components
involved with the replacement relay and verifying they all
work. Verify proper operation of the flasher by operating
the turn signals or hazard lights.
Buzzer Replacement
1.
Remove the cover from the relay panel.
2.
Tag and disconnect the electrical leads from the buzzer.
3.
Unscrew the plastic collar ring from back of the panel
and remove the buzzer from the hole in the panel.
4.
Install replacement buzzer through the hole in panel and
secure with the plastic collar ring.
5.
Connect the electrical leads to the buzzer as tagged
during removal.
6.
Install the cover.
7.
Verify proper operation by positioning the ignition switch
to RUN (1). Buzzer should sound when engine is not
running.
Plug-in Relays Replacement
1.
Remove the cover from the relay panel.
2.
Unplug the suspect relay from the receptacle.
3.
Plug replacement relay into receptacle.
4.
Install the cover.
5.
Verify proper installation by operating all components
involved with the replacement relay and verifying they all
work.
Instrument Replacement
Removal
1.
Make sure that the key switch has been in the OFF
position for 2 minutes.
2.
Turn the battery disconnect switch to the OFF position.
3.
Remove the hardware securing the console cover and
remove the cover.
4.
Tag and disconnect the electrical wiring or air lines from
the instrument.
5.
Remove the hardware securing the instrument to the
console panel. (Typically, remove nuts and lock
washers, and then a bracket or clamp.) (The gauge
cluster has two tabs on either side that must be pushed
in.) Pull the instrument through the front of the console
panel and remove it.
Inspection
1.
Examine the instrument for cracked and broken lenses.
Check instrument terminals, bracket or clamp, and
mounting studs for damage. Replace damaged
instrument; repair or replace damaged connecting
hardware.
2.
Check wiring for damaged insulation or damaged
connectors. Make repairs as needed.
Installation
1.
Put the instrument in place on the console panel and
secure it with the attaching hardware.
2.
Connect the electrical wiring or air lines to the instrument
as marked during removal.
3.
Position the console cover on the console and secure
with the attaching hardware.
4.
Turn the battery disconnect switch to the ON position.
Check
1.
Start the engine and verify that the instrument works.
(Refer to
Operator Manual
.)
2.
As needed, troubleshoot further any system malfunction
not corrected by repair or replacement of the instrument
or associated wiring.
SWITCH REPLACEMENT
Rocker Switch
Removal
1.
Make sure that the key switch has been in the OFF
position for 2 minutes.
2.
Turn the battery disconnect switch to the OFF position.
3.
Remove the hardware securing the console cover and
remove the cover.
Fo
r
Reference
Only