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| [[Category:Wiring]] | [[Category:Wiring]] | ||
| - | The wiper switch does not have a hot wire. It only serves to connect various circuits to ground (earth). 12V is supplied to both the wiper motor and washer motor by the same fuse. | + | The wiper switch does not have a hot wire. It only serves to connect various circuits to ground (earth). 12V is supplied to both the wiper motor and washer motor by the same fuse whenever the key is turned to IGN. |
| + | [http://datsun1200.com/modules/myalbum/photo.php?lid=19375 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/uploads/photos/19375.jpg] | ||
| = Wiper Motor = | = Wiper Motor = | ||
| - | When the ignition switch is turned to IGN, the wiper motor is always supplied with 12V. When it is in the PARK position (wipers at bottom of windshield) an internal cam breaks the ground circuit. The motor will not turn untril GROUND is supplied by pulling the wiper switch knob. | + | When the ignition switch is turned to IGN, the wiper motor is always supplied with 12V. When it is in the PARK position (wipers at bottom of windshield) an internal cam breaks the ground circuit. The motor will not turn until GROUND is supplied by pulling the wiper switch knob. |
| <blockquote><hr>Basic test: LR wire (blue/red) should always read 12V when when IGN is on.<hr></blockquote> | <blockquote><hr>Basic test: LR wire (blue/red) should always read 12V when when IGN is on.<hr></blockquote> | ||
| Line 12: | Line 13: | ||
| = Windshield Washer = | = Windshield Washer = | ||
| - | The [[Kangaroo Bag]] washer motor is grounded through the dashboard wiper switch. Twist the wiper knob to supplied GROUND to the washer motor. 12V is supplied through the [[Fuse Box]], always when the ignition switch is turned to IGN. | + | The [[Kangaroo Bag]] washer motor is grounded through the dashboard wiper switch. Twist the wiper knob to supply GROUND to the washer motor. 12V is supplied through the [[Fuse Box]], always when the ignition switch is turned to IGN. |
| + | Testing: | ||
| + | # Turn key to IGN | ||
| + | # Use voltmeter, put NEG cable to battery NEG terminal | ||
| + | # At washer bag, unplug LR (blue/red) wire, and check for 12V | ||
| + | #* 12V found: continue testing | ||
| + | #* 12V not found. Stop and check [[Fuse Box]] | ||
| + | # Reconnect LR wire | ||
| + | # Ensure water is in the bag | ||
| + | # Disconnect BL (black/red) wire and connect a spare wire from the bag to the cylinder head bare metal | ||
| + | #* Motor hums/squirts: It's OK | ||
| + | #* No sounds: Bad motor | ||
| + | |||
| + | |||
| + | If the motor hums when jumped to EARTH, but nothing happens when you twist the dash knob: | ||
| + | # Disconnect washer hose from underside of hood/bonnet | ||
| + | # Ground the motor | ||
| + | #* Washer fluid comes out hose: Squirter on hood is probably blocked. Stick a sewing pin or needle in the ports. Try again | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=19375 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/uploads/photos/19375.jpg] | ||
| + | = Photo Index = | ||
| [http://datsun1200.com/modules/myalbum/photo.php?lid=14616 http://datsun1200.com/uploads/thumbs/14616.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=5459 http://datsun1200.com/uploads/thumbs/5459.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=19671 http://datsun1200.com/uploads/thumbs/19671.jpg] | [http://datsun1200.com/modules/myalbum/photo.php?lid=14616 http://datsun1200.com/uploads/thumbs/14616.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=5459 http://datsun1200.com/uploads/thumbs/5459.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=19671 http://datsun1200.com/uploads/thumbs/19671.jpg] | ||
Revision as of 05:32, 16 August 2009
The wiper switch does not have a hot wire. It only serves to connect various circuits to ground (earth). 12V is supplied to both the wiper motor and washer motor by the same fuse whenever the key is turned to IGN.
Wiper Motor
When the ignition switch is turned to IGN, the wiper motor is always supplied with 12V. When it is in the PARK position (wipers at bottom of windshield) an internal cam breaks the ground circuit. The motor will not turn until GROUND is supplied by pulling the wiper switch knob.
Basic test: LR wire (blue/red) should always read 12V when when IGN is on.
When the wiper knob is pulled out to the first position, the low-speed motor wire is grounded, so the motor turns slow speed. When pulled out to position 2, the high-speed wire is grounded. When the knob is pushed all the way in, the motor continues turning until the PARK cam breaks the ground circuit.
Windshield Washer
The Kangaroo Bag washer motor is grounded through the dashboard wiper switch. Twist the wiper knob to supply GROUND to the washer motor. 12V is supplied through the Fuse Box, always when the ignition switch is turned to IGN.
Testing:
- Turn key to IGN
- Use voltmeter, put NEG cable to battery NEG terminal
- At washer bag, unplug LR (blue/red) wire, and check for 12V
- 12V found: continue testing
- 12V not found. Stop and check Fuse Box
- Reconnect LR wire
- Ensure water is in the bag
- Disconnect BL (black/red) wire and connect a spare wire from the bag to the cylinder head bare metal
- Motor hums/squirts: It's OK
- No sounds: Bad motor
If the motor hums when jumped to EARTH, but nothing happens when you twist the dash knob:
- Disconnect washer hose from underside of hood/bonnet
- Ground the motor
- Washer fluid comes out hose: Squirter on hood is probably blocked. Stick a sewing pin or needle in the ports. Try again
Photo Index
