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Grounding points

Grounding points


General information on grounding points

There are two main types of grounding points in the car: those having a component number and those where a component is grounded directly to the chassis, such as temperature sensors, the oil pressure sensor, etc.

The car battery is connected to ground by means of two cables. One has a cross-section area of 25 mm 2 and goes straight to the gearbox (grounding point G25).

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

For radio interference suppression, a braided grounding strap is connected between the engine mounting and the car body.

This section covers the grounding points that have been designated a component number.

Note that since the cars are available in different market versions, certain models might not have some of the listed grounding points.

A component may be connected to different grounding points, depending on whether the car is an LHD or RHD model. This is indicated in the relevant system diagram.

Location of components specifies connections in LHD cars only.

List of grounding points

G2

Battery ground on left wheel housing



G3

Grounding point in luggage compartment below rear left light cluster



G4

Grounding point on centre console between front seats



G7L

Grounding point engine (Lambda)



G7P

Grounding point engine (Power)



G7S

Grounding point engine (Signal)



G14

Grounding point on front left seat member



G24

Grounding point on front right seat member



G25

Battery ground on gearbox



G27

Battery ground for radio antenna



G30

Grounding point on left structural member, behind battery



G31

Grounding point on right structural member on right-hand side of engine bay



G33P

Grounding point on connector bracket (Power) below the left-hand A-pillar



G33S

Grounding point on connector bracket (Signal) below the left-hand A-pillar.



G34P

Grounding point, control module bracket (Power) below right-hand A pillar.



G34S

Grounding point on control module bracket (Signal) below the right-hand A-pillar.



G35

Grounding point for dashboard behind connector bracket on side panel under dashboard



G36S

Grounding point on left-hand secondary B-pillar (convertible)