Where is the back-up light switch located and how do you access it?

The left front wheel lug nuts should be first loosened to access the backup light switch which is located above the left side drive axle. Then, you will need to lift the front of the vehicle, loosen the right-hand wheel nuts and support it securely on jackstands. Disconnect the electrical connector from back-up light switch after taking off the left front wheel. Unscrew it from its case and remove the gasket. The switch has to be removed by using a socket or box-end wrench so that it does not round off corners. After taking out switch, clean threads and apply sealant before screwing back in and tightening securely. Once you reconnect electrical connector, check that operation of back-up lights indicates that switch is installed correctly.

Genuine Saturn Ion Back Up Light Switch

Reverse Light Switch

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5 Back Up Light Switches found

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Saturn Ion Switch Assembly, Parking/Neutral Position
Part Number: 24219476
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2005-2007 Saturn Ion | 2 DOOR, 4 DOOR, REDLINE 2 DOOR | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.4L
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Saturn Ion Switch,Back Up Lamp
Part Number: 90482454
- Other Name: SWITCH, Back Up Lamp; Back Up Switch
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Fits the following Vehicles:
2003-2007 Saturn Ion | 2 DOOR, 4 DOOR, REDLINE 2 DOOR | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.4L
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Saturn Ion Switch Assembly, Parking/Neutral Position
Part Number: 24220734
- Other Name: SWITCH, Transmission Safety Start/Warning; Neutral Safety Switch
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Fits the following Vehicles:
2003-2004 Saturn Ion | 2 DOOR, 4 DOOR, REDLINE 2 DOOR | 4 Cyl 2.0L, 4 Cyl 2.2L
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Saturn Ion Switch Assembly, Back Up Lamp
Part Number: 24459626
- Other Name: SWITCH, Back Up Lamp; Back Up Switch
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Fits the following Vehicles:
2004-2007 Saturn Ion | 2 DOOR, REDLINE 2 DOOR | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.4L
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Saturn Ion Switch Assembly, Parking/Neutral Position
Part Number: 24214519
- Other Name: SWITCH, Transmission Safety Start/Warning; Neutral Safety Switch
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Fits the following Vehicles:
2003-2004 Saturn Ion | 2 DOOR, REDLINE 2 DOOR | 4 Cyl 2.2L
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Saturn Ion Back Up Light Switch Parts Questions & Answers

Switch Assembly, Back Up Lamp
24459626
Q: Where is the back-up light switch located and how do you access it?
A: The left front wheel lug nuts should be first loosened to access the backup light switch which is located above the left side drive axle. Then, you will need to lift the front of the vehicle, loosen the right-hand wheel nuts and support it securely on jackstands. Disconnect the electrical connector from back-up light switch after taking off the left front wheel. Unscrew it from its case and remove the gasket. The switch has to be removed by using a socket or box-end wrench so that it does not round off corners. After taking out switch, clean threads and apply sealant before screwing back in and tightening securely. Once you reconnect electrical connector, check that operation of back-up lights indicates that switch is installed correctly.