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Grounding points

Grounding points

General

There are two main types of grounding point in the car: those that carry a component number, and those with which a component is grounded straight to the chassis, e.g. temperature sensors, oil-pressure sensors, etc.

The car battery is grounded via two cables. One cable has a cross section of 25 mm 2 and goes straight to the gearbox (grounding point G25).

The other has a cross section of 16 mm 2 and goes to grounding point G2, which is located behind the battery on the left-hand wheel housing.


There is a redundancy grounding cable between the gearbox and the LH wheel housing.

For radio interference suppression there is a plaited grounding strap between an engine bracket and the body.

Note that owing to the differences between market variants some of the grounding points enumerated above may be lacking on certain cars.

A given component may be connected to different grounding points depending on whether the car has left-hand or right-hand drive. This is indicated in the pertinent system chart.

Schedule of grounding points




No. Name Location Fig.
G2

Grounding point, LH structural member (battery)

in engine bay in front of left wheel housing



G3

Grounding point, luggage compartment

on floor below left rear light cluster



G4

Grounding point, floor console (airbag)

on transmission tunnel between seats



G7A

Grounding point, engine

on side of intake manifold to cylinder 4



G7B

Grounding point, engine

on side of intake manifold to cylinder 4



G14

Grounding point, left seat

under seat on floor behind seat member



G24

Grounding point, RH seat

under seat on floor behind seat member



G25

Grounding point, gearbox (battery)

in engine bay on gearbox



G27

Grounding point, antenna

on bracket for motorized antenna



G30

Grounding point, LH structural member

in engine bay in front of left wheel housing



G31

Grounding point, RH structural member

in engine bay in front of right wheel housing



G33P

Grounding point, connector bracket (Power)

in cabin below left A-pillar



G33S

Grounding point, connector bracket (Signal)

in cabin below left A-pillar



G34P

Grounding point, control module bracket (Power)

in cabin below right A-pillar



G34S

Grounding point, control module bracket (Signal)

in cabin below right A-pillar



G35

Grounding point, dashboard

on side wall behind connector bracket below LH A-pillar



G36

Grounding point, rear seat (Convertible)

between LH secondary B-pillar and soft top control module



G37P

Grounding point (Power)

in cabin below right A-pillar (above grounding point G34)



G38

Grounding point, floor console

on transmission tunnel between seats



G39

Grounding point, RH rear seat (Convertible)

below RH rear seat loudspeaker