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The AutoMeter ATM9117 tach adapter is an essential component for modern automotive applications, especially for vehicles with late-model engine swaps or distributorless ignition systems. This fully potted, weatherproof module seamlessly integrates into the power supply of a coil per cylinder ignition setup, providing a reliable 12V square wave signal output. This output can be easily utilized by AutoMeter tachometers and many aftermarket RPM devices, ensuring accurate engine speed readings even when conventional signals are unavailable. Its compatibility spans a wide range of engines, supporting 1 to 12 cylinders, making it versatile for various vehicle configurations.
Designed for durability, the ATM9117 features environmentally sealed and vibration-resistant construction, allowing for under-hood mounting without concern for harsh conditions. The module measures approximately 1.5 inches by 3.5 inches by 2 inches, making it compact and easy to install in tight spaces. Its included accessories consist of wiring harnesses with a 52-inch gray signal wire, a 24-inch black ground wire, and 24-inch red and red/green wires for ignition power in and out, providing flexible installation options. This tach adapter enhances engine diagnostics and monitoring, ensuring your vehicle's RPM readings are precise and consistent.
Ideal for custom builds, performance upgrades, and professional automotive applications, the AutoMeter ATM9117 tach adapter offers a reliable, weatherproof solution for modern ignition systems. Its straightforward wiring and robust design make it a practical choice for enthusiasts and professionals seeking to upgrade or retrofit their vehicle’s tachometer capabilities. This component is a critical addition for those aiming to maintain accurate engine speed monitoring in complex or custom engine setups, ensuring optimal performance and diagnostics.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
