974519 Removing and installing wire harness for battery
WM 974519 Removing and installing wire harness for battery
Technical values
Information
Component information
Installation position of wire harness from battery to power distributor
Preliminary work
Preliminary work for wire harness from battery to power distributor (HSB)
1. Remove front seat on driver's side. -> 720119 Removing and installing front seat - section on "Removing" 720119 Removing and installing front seat
Preliminary work for wire harness from power distributor (HSB) to B+ connection point in engine compartment
1. Remove carpet on driver's side. -> 704119 Removing and installing carpet - section on "Removing" Service and Repair
2. Remove left cross panel. -> 508119 Removing and installing cross panel - section on "Removing" Service and Repair
Removing wire harness for starter battery
Removing wire harness from battery to power distributor (HSB)
WARNING
Caustic fluids
- Danger of chemical burns
-> Avoid contact with caustic fluid.
-> Wear personal protective gear.
-> Ensure that there is good ventilation.
-> If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.
WARNING
Static battery charge
- Battery can explode
- Electrical discharges
-> Do not rub the battery with a dry cloth.
NOTICE
Voltage peaks
- Risk of damage to load or to the control unit
-> Switch off ignition and remove remote control before disconnecting or removing load.
Information
Always comply with the regulations for handling ESD-sensitive components!
- Assembly work must only be carried out if the mechanic is wearing the working clothes and shoes approved by Porsche.
- The new part must only be removed from the ESD (electrostatic discharge) protective packaging just before installation and at the position at which the part is to be installed.
- Never touch the electric pins and plug contacts.
Information
- The battery is located in the battery case under the left front seat.
- The vehicle must be supplied with external power at the jump lead starting points so that the seat can be moved even when the battery is completely discharged. => External power connection, jump lead starting
Information
Switch off all loads and remove the ignition key.
- Do not disconnect the battery while the engine is running.
- Disconnect and reconnect battery with extreme caution.
- Do not rub the battery with a dry cloth.
1. To remove the battery for the first time, cut the carpeted floor along the perforation using a carpet knife.
2. Open the tension hooks on the battery case cover using a screwdriver.
3. Remove the battery case cover.
4. Loosen fastening nut on positive terminal -2- of battery and pull line off the battery terminal.
Disconnecting terminal clamps
5. Release electric plug connection on the battery sensor -a- and pull it off -A-.
Pulling off connector at negative terminal
6. Unclip locking mechanism -A- and open the cover on the power distributor -1- ( -B- ).
Opening cover on power distributor
7. Release electric plug connection -1- ( -a- ) and pull it off -A-.
Removing line from power distributor
8. Screw off fastening nut -2- for B+ line.
9. Remove rubber sleeve -3- ( -B- ) and then remove the B+ line.
Removing wire harness from power distributor (HSB) to B+ connection point in engine compartment
NOTICE
Voltage peaks
- Risk of damage to load or to the control unit
-> Switch off ignition and remove remote control before disconnecting or removing load.
Information
Always comply with the regulations for handling ESD-sensitive components!
- Assembly work must only be carried out if the mechanic is wearing the working clothes and shoes approved by Porsche.
- The new part must only be removed from the ESD (electrostatic discharge) protective packaging just before installation and at the position at which the part is to be installed.
- Never touch the electric pins and plug contacts.
1. Disconnect battery ground lead. -> 2X00IN Work instructions after disconnecting the battery 2X00IN Work instructions after disconnecting the battery
2. Open the cover -1- on the power distributor -A-.
Opening cover on power distributor
3. Screw off the fastening nut -1- and remove the B+ line -2- from the pins.
Disconnecting line from power distributor
4. Loosen fastening points -1- in the footwell.
Fastening points in footwell
5. Loosen insulating mat around the opening into the engine compartment.
6. Press the rubber sleeve -1- into the engine compartment -A- and pull the B+ line into the engine compartment.
Removing rubber sleeve
7. Loosen relay box.
7.1. Remove relay box by pulling it up -A-. The relay box is clipped in at the underside with three catches.
Removing relay box
8. Loosen fastening point -1- in the plenum panel.
Loosening fastening points in plenum panel
9. Take the rubber sleeve -2- out of the bracket -A-.
10. Release the cover -1- of the positive terminal in the engine compartment -A- and open it -B-.
Removing positive terminal
11. Screw off two fastening nuts -3-.
Disconnecting positive terminal
12. Unscrew the fastening screw -2- on the positive terminal and remove the positive terminal.
13. Loosen insulating mat around the opening into the engine compartment.
14. Release the line at the underside of the positive terminal -a- and pull it off -A-.
Removing line from positive terminal
Installing wire harness for starter battery
Installing wire harness from battery to power distributor (HSB)
WARNING
Incorrect handling of safety bolts
- Danger of injury
- Loss of torque
-> Always use new fastening screws and nuts following removal.
-> Observe specified tightening torques.
-> Carry out a visual inspection of all re-used parts.
1. Insert B+ line and rubber sleeve -3- into the power distributor -B-.
2. Insert electric plug connection -1- ( -A- ) until the connector engages securely.
Fitting B+ line on power distributor
3. Tighten fastening nut -2- to => Tightening torque: 15 Nm (11 ftlb.).
4. Close the cover on the power distributor.
5. Plug in electric plug connection on the battery sensor -A- until the connector engages securely.
Plugging in connector on battery sensor
6. Fit B+ line on the battery's positive terminal and tighten fastening nut -2- on the positive terminal to => Tightening torque: 6 Nm (4.5 ftlb.).
Attaching terminal clamps
7. Fit the battery case cover and secure with the tension hooks.
Installing wire harness from power distributor (HSB) to B+ connection point in engine compartment
1. Pull the B+ line into the interior of the vehicle through the cut-out in the bulkhead and fit the rubber sleeve -1- ( -A- ).
Pulling in B+ line and fitting rubber sleeve
2. Secure fastening points -1- in the footwell.
Fastening points in footwell
3. Fit B+ line -2- on the pins and tighten the fastening nut -1- to => Tightening torque: 15 Nm (11 ftlb.).
Fitting B+ line from power distributor
4. Close the cover on the power distributor.
5. Secure fastening point -1- in the plenum panel.
Securing fastening points in plenum panel
6. Slide rubber sleeve -2- into the bracket -A-.
7. Secure the relay box.
7.1. Press the relay box into the catches at the underside -A-.
Installing relay box
8. Fit the line at the underside of the positive terminal -A-.
Fitting B+ line in positive terminal
9. Tighten fastening screw -2- on positive terminal to => Tightening torque: 8 Nm (6 ftlb.).
Installing positive terminal in engine compartment
10. Tighten fastening nuts -3- to => Tightening torque: 20 Nm (15 ftlb.).
Connecting positive terminal
11. Close the cover -1- on the positive terminal -A-
12. Connect the battery. -> 2X00IN Work instructions after disconnecting the battery 2X00IN Work instructions after disconnecting the battery
Subsequent work
Subsequent work for installing wire harness from battery to power distributor (HSB)
1. Install front seat on driver's side. -> 720119 Removing and installing front seat - section on "Installing" 720119 Removing and installing front seat
Subsequent work for installing wire harness from power distributor (HSB) to B+ connection point in engine compartment
1. Fit carpet on passenger's side. -> 704119 Removing and installing carpet - section on "Installing" Service and Repair
2. Install left cross panel. -> 508119 Removing and installing cross panel - section on "Installing" Service and Repair