Headlight Bulb And Auxiliary Light Bulb - Renewal; Auxiliary Light; Brake Light - Yamaha TDM850 User Manual

9*6 Electrical system
7.2a Disconnect the wiring connector...
then check the switch. Also check the lighting
switch.

Brake light

6 If the brake light fails to work, check the bulbs
and the bulb terminals first (see Section 9), then
the fuse, then check for battery voltage at the
yellow (TDM and TRX models) or green/yellow
(XTZ models) terminal on the supply side of the
tail light wiring connector, with the brake lever
pulled in or the pedal depressed. If voltage is
present, check the earth circuit for an open or
poor connection.
7 If no voltage is indicated, check the brake light
switches, then the wiring between the tail light
and the switches.
8 See Section 14 for brake switch check and
Section 9 for tail light bulb renewal.
7.3a Remove the ring .
7.3c ... and remove the bulb
7.2b ... and remove the dust cover
Instrument and warning lights
9 See Section 17 for instrument and warning
light bulb renewal.
Turn signal lights
10 See Section 11 for turn signal circuit
check.
7 Headlight bulb and auxiliary ^
light bulb - renewal
Note: The headlight bulb is of the quartz-halogen
type. Do not touch the bulb glass as skin acids
will shorten the bulb's service life. If the bulb is
accidentally touched, it
7.3b ... or release the clip.
7.7a Remove the screws (arrowed) and
the lens...
should be wiped carefully when cold with a rag
soaked in methylated spirit and dried before
fitting.
A Warning: Allow the bulb time to cool
before removing it if the headlight
has just been on.
Headlight
1 For best access to the headlight bulb(s),
remove the fairing on TDM models and the
relevant fairing side panel on XTZ models (see
Chapter 8).
2 Disconnect the relevant wiring connector from
the back of the headlight assembly and remove
the rubber dust cover, noting how it fits (see
illustrations).
3 Release the bulb retaining ring or clip, noting
how it fits, then remove
illustrations).
4 Fit the new bulb, bearing in mind the
information in the Note above. Make sure the
tabs on the bulb fit correctly in the slots in the bulb
housing, and secure it in position with the
retaining ring or clip.
5 Install the dust cover, making sure it is
correctly seated and with the TOP mark at the
top, and connect the wiring connector.
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6 Check the operation of the headlight.
lfHJfJ!§ Always use a paper towel or
dry cloth when handling new
bulbs to prevent injury if the
bulb should break and to
increase bulb life.
HiMT

Auxiliary light

7 On TDM models, remove the screws securing
the auxiliary light lens and remove the lens (see
illustration). Carefully pull the bulb out of its
holder and install the new one, then refit the lens
(see illustration). Do not overtighten the screws
as the lens could crack.
8 On XTZ models, for best access remove the
relevant fairing side panel (see Chapter 8). On
TRX and XTZ models, release the bulbholder
from its socket in the base of the headlight, then
press the bulb in and twist it anti-
7.7b ... and pull out the bulb
the bulb (see
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