How to disconnect the negative battery cable and replace the Ignition Lock Cylinder and Ignition Switch on Mazda MX-5 Miata?

Disconnect the negative battery cable, disable the driver's airbag, and remove the steering column upper and lower covers along with the under cover. Next, disconnect the electrical connector from the switch, remove the screw, and separate the switch from the steering lock assembly. Installation is the reverse of removal.

Genuine Mazda MX-5 Miata Ignition Switch

Starter Ignition Switch

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4 Ignition Switches found

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Mazda MX-5 Miata Ignition Switch Part Number: GP7A-66-151
$55.98 MSRP: $74.64
You Save: $18.66 (25%)
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Product Specifications
- Other Name: Switch, Ignition
- Replaces: LC70-66-151
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2006-2015 Mazda MX-5 Miata | 25th Anniversary Edition, Base, Club, Club Spec, Grand Touring, Special Edition, Sport, SV, Touring | 4 Cyl 2.0 L GAS
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Mazda MX-5 Miata Power Switch Part Number: N243-66-3S0
$78.88 MSRP: $105.19
You Save: $26.31 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2016-2023 Mazda MX-5 Miata | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, Sport | 4 Cyl 2.0 L GAS
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Mazda MX-5 Miata Power Switch Part Number: BJS7-66-3S0
$90.48 MSRP: $120.65
You Save: $30.17 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch, Engine Start; Power Switch
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2016-2023 Mazda MX-5 Miata | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, Sport | 4 Cyl 2.0 L GAS
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Mazda MX-5 Miata Switch Part Number: LC70-66-157
$12.86 MSRP: $17.15
You Save: $4.29 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Key Reminder; Ignition Switch, Interlock
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2006-2015 Mazda MX-5 Miata | 25th Anniversary Edition, Base, Club, Club Spec, Grand Touring, Special Edition, Sport, SV, Touring | 4 Cyl 2.0 L GAS

Mazda MX-5 Miata Ignition Switch

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Mazda MX-5 Miata Ignition Switch Parts and Q&A

Switch
LC70-66-157
Q: How to disconnect the negative battery cable and replace the Ignition Lock Cylinder and Ignition Switch on Mazda MX-5 Miata?
A:
Disconnect the negative battery cable, disable the driver's airbag, and remove the steering column upper and lower covers along with the under cover. Next, disconnect the electrical connector from the switch, remove the screw, and separate the switch from the steering lock assembly. Installation is the reverse of removal.