CCoommppoonneennt t PPrroobblleem m CCoorrrreeccttiioonn
4. 4. IgniIgnition tion SwiSwitchtch
continuedcontinued
1. 1. IgniIgnition swtion switcitch (S1) does noh (S1) does not clost closee
(accessory position).(accessory position).
2. 2. IgniIgnition swtion switcitch (S1) does noh (S1) does not clost closee
(start position).(start position).
1. 1. On the baOn the back of ck of the igthe ignitinition swon switcitchh
(S1), at the B terminal, check for(S1), at the B terminal, check for
12 VDC from circuit breaker12 VDC from circuit breaker
(CB2). (CB2). Ensure tEnsure that the hat the batterybattery
disconnect switch (S54, disconnect switch (S54, IllustIllustrationration
1-6) i1-6) is in the On posis in the On positiontion. . If 12If 12
VDC is not present, ensure thatVDC is not present, ensure that
circuit breaker (CB2) is set.circuit breaker (CB2) is set.
Ensure that Deutsch connectorEnsure that Deutsch connector
(EC(EC1) is not 1) is not loosloose or e or that pin 6 that pin 6 oror
11 is backed out of this connector.11 is backed out of this connector.
Ensure that all battery cables areEnsure that all battery cables are
connected to the terminals of theconnected to the terminals of the
batteriesbatteries. . Ensure that Ensure that the batter-the batter-
ies are ies are charged. charged. Ensure that Ensure that cir-cir-
cuit breaker (CB1) can maintain acuit breaker (CB1) can maintain a
set stset state. ate. If 12 VDC iIf 12 VDC is press present atent at
the B terminal, turn the key to thethe B terminal, turn the key to 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 wire from the I termi-remove the wire from the I termi-
nal and recnal and recheck vheck voltaoltage. ge. If 12If 12
VDC is now present, there is aVDC is now present, there is a
short between the ignition switchshort between the ignition switch
(S1) and the truck power solenoid(S1) and the truck power solenoid
(L1)(L1); isola; isolate and repair shote and repair short. rt. If 12If 12
VDC is not present and 12 VDCVDC is not present and 12 VDC
was present at the B terminal,was present at the B terminal,
replace the ignition switch (S1).replace the ignition switch (S1).
2. 2. The trThe truck iuck is equips equipped wiped with an antith an anti--
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
turned fully off to reset the ignitionturned fully off to reset the ignition
switch, allowing the B (Battery)switch, allowing the B (Battery)
and S (Start) contacts to closeand S (Start) contacts to close
when the ignition switch is turnedwhen the ignition switch is turned
to the Start posto the Start positiition. on. ThiThis is as is a
momentary position that shouldmomentary position that should
only make contact when the key isonly make contact when the key is
fullfully turny turned. ed. On the back of tOn the back of thehe
ignition switch (S1), ensure that 12ignition switch (S1), ensure that 12
VDC is present at the B terminal.VDC is present at the B terminal.
If 12 VDC is not present, ensureIf 12 VDC is not present, ensure
that circuit breaker (CB2) is set.that circuit breaker (CB2) is set.
Ensure that Deutsch connectorEnsure that Deutsch connector
(EC(EC1) is not 1) is not loosloose or e or that pin 7 that pin 7 isis
backed out of this connector.backed out of this connector.
Ensure that all battery cables areEnsure that all battery cables are
(continued)(continued)
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