How to adjust the inhibitor Neutral Safety Switch on Mazda RX-7?

Put the selector lever in the "N" position. Then, lift the vehicle and support it on jack stands. The inhibitor switch is located on the left side of the transmission, just forward of the downshift solenoid and vacuum diaphragm; loosen the switch attaching bolts without removing them. Take off the tiny screw on the switch casing, turn the switch then insert an alignment pin of 0.078 in (0.2 mm) in the alignment hole into the hole of the internal rotor. After tightening the switch mounting bolts, the alignment pin shall be removed and the screw replaced in the switch housing. Finally, lower the vehicle and confirm that the automobile will start in the "P" or "N" positions only.

Genuine Mazda RX-7 Neutral Safety Switch

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Mazda RX-7 Neutral Safety Switch Part Number: 8118-17-640B
$44.83 MSRP: $59.77
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Product Specifications
- Other Name: Switch; Back-Up Switch
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1984-1985 Mazda RX-7 | GS, GSL, GSL-SE, S | 2 Cyl 1.1 L GAS, 2 Cyl 1.3 L GAS
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Mazda RX-7 Neutral Safety Switch Part Number: M502-17-640C
Product Specifications
- Other Name: Switch, Neutral; Back-Up Switch
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1986-1991 Mazda RX-7 | 10th Anniversary, Base, Base 2+2, Convertible, GTU, GTUs, GXL, GXL 2+2, LX, LX 2+2, SE, SE 2+2, Sport, Turbo | 2 Cyl 1.3 L GAS
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Mazda RX-7 Neutral Safety Switch Part Number: BV65-19-444A
Product Specifications
- Other Name: Switch, Inhibitor
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1993-1995 Mazda RX-7 | Base, R1, R2, Touring | 2 Cyl 1.3 L GAS
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Mazda RX-7 Neutral Safety Switch Part Number: BV09-19-444
Product Specifications
- Other Name: Switch; Back-Up Switch
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1989-1991 Mazda RX-7 | Base, Convertible, GTU, GTUs, GXL, GXL 2+2, Turbo | 2 Cyl 1.3 L GAS
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Mazda RX-7 Neutral Safety Switch Part Number: BU17-19-444A
Product Specifications
- Other Name: Switch; Back-Up Switch
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 1986-1988 Mazda RX-7 | 10th Anniversary, Base, Base 2+2, Convertible, GTU, GXL, GXL 2+2, LX, LX 2+2, SE, SE 2+2, Sport, Turbo | 2 Cyl 1.3 L GAS

Mazda RX-7 Neutral Safety Switch

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Mazda RX-7 Neutral Safety Switch Parts and Q&A

Neutral Safety Switch
8118-17-640B
Q:
How to adjust the inhibitor Neutral Safety Switch on Mazda RX-7?
A:
Put the selector lever in the "N" position. Then, lift the vehicle and support it on jack stands. The inhibitor switch is located on the left side of the transmission, just forward of the downshift solenoid and vacuum diaphragm; loosen the switch attaching bolts without removing them. Take off the tiny screw on the switch casing, turn the switch then insert an alignment pin of 0.078 in (0.2 mm) in the alignment hole into the hole of the internal rotor. After tightening the switch mounting bolts, the alignment pin shall be removed and the screw replaced in the switch housing. Finally, lower the vehicle and confirm that the automobile will start in the "P" or "N" positions only.