TX / TXH / TXB 180S - 400L (Rev. 4/23/07)TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
6-86-8
2.2. HigHigh oh outputput ut volvoltagtage (e (volvoltagtagee
exceeds 15.5 VDC).exceeds 15.5 VDC).
ing the slip connectors at theing the slip connectors at the
alternator and connections atalternator and connections at
the battery.the battery.
c. c. Defective alternatorDefective alternator. . ReplaceReplace
alternator.alternator.
2.2. DefDefectective ive altalternernatoatorr. . RepReplaclacee
alternator.alternator.
3.3. BaBatttterery y DiDiscscononnecnectt
SwitchSwitch (if equipped)(if equipped)
1.1. WhWhen ken key sey swiwitctch is h is in tin the Ohe ONN
position, contact points of switchposition, contact points of switch
do not close.do not close.
2.2. WhWhen ken key sey swiwitctch is ih is in thn the OFe OFFF
position, contact points of switchposition, contact points of switch
do not open.do not open.
1.1. RemRemove ove wirwires es frofrom tm the she switwitch,ch,
turn the turn the switch on. switch on. With an With an ohm-ohm-
meter, check the resistance acrossmeter, check the resistance across
the contthe contact act points. points. The The ohmmeterohmmeter
reading should indicate 0 - 40reading should indicate 0 - 40
Ohms.Ohms.
2.2. RemRemove ove wirwires es frofrom tm the she switwitch,ch,
turn the switcturn the switch off. h off. With an With an ohm-ohm-
meter, check the resistance acrossmeter, check the resistance across
contact contact points. points. The The ohmmeterohmmeter
reading should indicate infinity.reading should indicate infinity.
CCoommppoonneenntt PPrroobblleemm CCoorrrreeccttiioonn
4.4. IgIgninitition on SwSwititchch
1.1. IgnIgnitiition swon switcitch (S1, Ih (S1, Illullustrstratiation 6-6on 6-6))
does not close (accessory posi-does not close (accessory posi-
tion).tion).
2.2. IgnIgnitiition swon switcitch (S1, Ih (S1, Illullustrstratiation 6-6on 6-6))
does not close (start position).does not close (start position).
1.1. On tOn the bahe back ock of thf the ige ignitnition ion swiswitchtch
(S1, Illustration 6-6), at the B ter-(S1, Illustration 6-6), at the B ter-
minal, you should see 12 VDCminal, you should see 12 VDC
straight from the battery, providedstraight from the battery, provided
that the truck is not equipped withthat the truck is not equipped with
a battery a battery disconnect disconnect switch. switch. IfIf
equipped with a battery discon-equipped with a battery discon-
nect switch, ensure that it isnect switch, ensure that it is
turned on. turned on. Turn Turn the key the key to theto the
ignition position, at the I terminal,ignition position, at the I terminal,
you should see 12 VDC, if not,you should see 12 VDC, if not,
remove the wires from the I termi-remove the wires from the I termi-
nal and nal and recheck voltrecheck voltage. age. If 12If 12
VDC is now present, you have aVDC is now present, you have a
short. short. If 12 If 12 VDC is VDC is not presentnot present
and 12 VDC was present at the Band 12 VDC was present at the B
terminal, replace the ignitionterminal, replace the ignition
switch (S1). switch (S1). TTo isolate short,o isolate short,
reconnect the wires to the I termi-reconnect the wires to the I termi-
nal one at a time checking voltagenal one at a time checking voltage
with with each ceach connection. onnection. When tWhen thehe
voltage drops, the wire, that wasvoltage drops, the wire, that was
just connected, is just connected, is shorted. shorted. IsolateIsolate
and remove short.and remove short.
2.2. The The trutruck ick is eqs equipuipped ped witwith an ah an antinti--
restart ignition switch (S1).restart ignition switch (S1).
Should the truck fail to start on theShould the truck fail to start on the
first attempt, the key must befirst attempt, the key must be
d f ll ff h i i id f ll ff h i i i
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