Chrysler Conquest 1988 Service Manual page 187

LIGHTING SYSTEM
- Troubleshooting
8-175
OPERATION
N08lHBC
Switching Between Low Beam and High Beam
When the lighting switch is set at the "2"
position while the ignition switch is at the
"ACC" position, current flows through fuse No.
9, passing relay, headlight relay (coil), lighting
switch, and ground, closing the headlight relay
contacts.
TROUBLESHOOTING HINTS
1. Low beam filaments (or high beam filaments) do
not go on for both headlights
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Check the dimmer switch.
2. Only one headlight goes on
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Check the bulb.
3. Headlights do not switch between low beam
If the dimmer switch is set at the "low" (or
"high") position while the above-mentioned
condition is obtained, current flows through the
headlight relay (contacts), headlight, dimmer
switch, and ground, causing the headlight low
beam filament (or high beam filament) to go on.
When current is flowing to the high beam
filament of the headlight, current is also flowing
to the high beam indicator through a dedicated
fuse, causing the indicator to light.
and high beam
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Check the dimmer switch. *
Signaling Passing
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When the passing switch is set at the "ON"
position current flows through the headlight
relay (coil), passing control relay, passing switch,
and ground, causing the headlight relay contacts
to close.
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After flowing through the closed contacts of the
headlight relay, current flows through the head-
light (high beam filament), passing switch, and
ground, and the headlight high beam filaments
go own.