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Home >> Volvo >> 2014 >> XC70 T6 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ignition And Control Systems - Design And Function >> Automatic Start/Stop Of Engine >> Automatic Start/Stop Of Engine [2014-2016, B4204T11, TG-81SC] >> Design >> Main Fuse Box With Fuses And Battery Diode.
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Main Fuse Box With Fuses And Battery Diode.

GLL178044Courtesy of VOLVO CARS CORPORATION

The main fuse box battery is located in the "plenum chamber" (cold zone) and contains relays and fuses related to start/stop, and also a battery diode. The main fuse box is two-piece with front and rear. The front contains components related to start/stop.

Ob vehicles with start / stop several other fuses are moved from the relay/fuse box in the engine compartment to the main fuse box in the "plenum chamber".

Images of the two-pieces of the main fuse box 

Front 

GLL178045Courtesy of VOLVO CARS CORPORATION
  1. Terminal main battery
  2. Battery diode
  3. Connecting to the rear of the main fusebox
  4. Fuse for battery diode
  5. Fuse for secondary battery
  6. Fuse for supply voltage secondary battery
  7. Terminal secondary battery
  8. Battery relay (secondary battery)
  9. Battery relay (main battery)
  10. Fuse for starter motor solenoid
NOTE:

In the event of a repair it is important not to mix up the positions of the wiring on the respective terminal.

Rear 

GLL1013523Courtesy of VOLVO CARS CORPORATION
  1. Terminal main battery (same terminal as number 1 on front)
  2. Connecting to the front of the main fusebox
  3. Terminal alternator
  4. Connection to integrated relay and fuse box in the engine compartment
  5. Fuse for integrated relay and fuse box in engine compartment
  6. Fuse for alternator supply

Starter motor fuse and fuse for main fuse box is located directly on the battery terminal.