Brake Warning Lamp - Ford TRADER Workshop Manual

Truck
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WARNING SYSTEM
T
Brake warning lamp
I
Brake warning lamp coines ON after engine started
Start engine
~
Check brake fluid level
• Between MIN-MAX
Add brake fluid
YES
1. Disconnect parking brake
switch connector
I
NO.
Open-circuit in wire harness
2. Check that lamp goes
(Parking brake switch-
OFF
Warning lamp)
• Goes OFF
YES
Check continuity between
switch and ground
Check and adjust parking
~
brake switch
Brake lever
Continuity
Parking brake switch mal-
Pulled
Yes
function
Released
No
YES
Check brake fluid level
sensor
(Refer to page T-60)
Brake warning lamp
does
not operate parking brake set
1. Disconnect parking brake
switch connector
2. Connect a jumper wire be-
~
Open-circuit in wire harness
tween ground and switch
connector
(Switch-Lamp)
3. Check that lamp comes
ON
• Comes ON
YES
Check continuity between
switch and ground
Check and adjust parking
Brake lever
Continuity
I
NO,. brake switch
Pulled
Yes
Parking brake switch mal-
function
Released
No
YES I
Poor ground
T-49

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