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ed petrush (Exp)
Member
Username: Exp

Post Number: 55
Registered: 08-2002
Posted on Wednesday, April 09, 2003 - 01:33 pm:   Edit Post Delete Post Print Post

Ground-based Electrical Problems - Troubleshooting
Vehicle - Discovery 1994-1996
Poor grounds can cause numerous problems on a 1994 - 1996 Discovery. The following are main ground locations and the components they effect. To clean the contact surface, remove the fastener and use a wire brush to clean the post, connector and nut as needed. Spraying on a little contact cleaner may help, too. If the contact point is painted, a star washer can also be added to improve the connection.
Check these ground locations:
1. Right inner fender, behind the battery. Battery and EMC on 1994 & 1995 models.
2. Below the battery, inside the right frame rail. Battery ground.
3. Right of the left cylinder head. ECU, AC compressor clutch on 1994 & 1995 models.
4. Right frame rail, inside wheel well. Starter.
5. Left footwell, behind trim panel. ECM, key switch, radio, OBDII data link.
6. Right footwell, behind trim panel. Starter solenoid relay, park-neutral position switch, alarm, data link connector.
7. Left side of luggage compartment, behind access panel for taillights, above light assembly. Fuel pump, fuel level sensor.

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