
Troubleshooting: Electrical Schematics
Figure 20 - Standard tabs-6  module (5-pin  ecu connector) electrical schematic - 2S/1M
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CONNECTOR  | 
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  | SENSOR  | 
  | 1  | 
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  | 7  | RIGHT SR  | 
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  | SENSOR ADD.  | 
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RIGHT SAR  | 
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ABS WARNING LAMP  | MODULATOR VALVE  | 1  | |||
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  | MOD2  | 
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  | MODULATOR VALVE  | |
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  | MOD3  | 
SENSOR ADD. | 
  | 1  | 
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CONNECTOR | 
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LEFT SAL | 
  | 2  | 
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B  | 
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  | A  | 
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C  | E  | 
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  | SENSOR  | 
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  | LEFT SL | 
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SENSOR RIGHT SR (+)
SENSOR RIGHT SR 
GROUND IGNITION VOLTAGE BRAKE LAMP VOLTAGE
ABS WARNING LAMP (AUX7) SENSOR ADD. RIGHT SAR (+) SENSOR ADD. RIGHT SAR 
MOD2 RELEASE
MOD1/2 COMMON
MOD2 HOLD
1MOD3 RELEASE
2MOD3 COMMON
3MOD3 HOLD SENSOR ADD. LEFT SAL (+)
SENSOR ADD. LEFT SAL 
J1587 GROUND
J1587 VOLTAGE (AUX6)
SENSOR LEFT SL (+)
SENSOR LEFT SL 
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9  | 
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7  | 
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13  | 
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PREMIUM 
Trailer
ABS
Controller
Figure 21 - Premium tabs-6  module (18-pin  ecu connector) electrical schematic - 4s/3M
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