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Buy 3 Select Tires, Get the 4th Free Instantly

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Buy 3 Select Tires, Get the 4th Free Instantly
Buy 3 Tires, Get 4th Tire Free Instantly. Receive a discount equal to the price of a single tire when four tires are added to the cart. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & product detail pages. All other tires and special order tires are excluded from this offer. Valid when scheduled for installation on PepBoys.com and installation is completed between 8/18/16 through 8/24/16.

69_319_8920
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  • Part #: 8920 |
  • SKU: 9955613

Available tomorrow after 12 p.m.


    • Adapter corrects most tachometers and fuel injection pump relays that do not work directly off of the MSD Ignition's 12 volt square wave tach output terminal.
    • Corrects fuel injection pump relays when connecting a tachometer to and MSD ignition control
Retail
$68.99
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MSD Tach Adapter Magnetic Trigger

If, after installing an MSD Ignition Control, your tachometer, fuel pump relay or electronic fuel injection (in foreign vehicles) doesnt operate correctly, your application may require a Tach Adapter. This is due to the trigger signal not being strong enough to trigger both the MSD and the factorys components. Each Adapter is simple to wire in and will have your MSD and vehicle firing away in no time! If you are using the magnetic pick-up input (green and violet wires) to trigger your MSD Ignition, you will need the PN 8920 Tach Adapter. The PN 8920 will correct the operation of most voltage-triggered tachometers that do not work directly off the tach output terminal of the MSD Control. This Adapter should also be used on current-triggered tachs (hooked in series with the ignition switch). There are a few Tach Adapters available and for more information please check the MSD catalog.
  • Adapter corrects most tachometers and fuel injection pump relays that do not work directly off of the MSD Ignition's 12 volt square wave tach output terminal.
  • Corrects fuel injection pump relays when connecting a tachometer to and MSD ignition control
  • Helps correct electronic fuel injection when connecting a tachometer to and MSD ignition control


9955613