• Painless 66-76 Mopar Harness 21-CIRCUIT - 10127
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Painless

Painless 66-76 Mopar Harness 21-CIRCUIT - 10127

Painless 66-76 Mopar Harness 21-CIRCUIT - 10127

$743.99 USD
$743.99 USD
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66-76 Mopar Harness 21-CIRCUIT from Painless. The part number and specifications are listed below. Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy.

Quick facts

  • Brand: Painless
  • Part type: Ignition part
  • Model years: 1966–1976
  • Part number: 10127

Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

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About this electrical part

Replacing a switch, relay or harness is usually a plug-in job once you find the fault.

Fitment notes

  • Specs, lead time and warranty come from Painless and can change. The details above this guide are the latest we have.

Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.

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Parts that usually go with it

More for your car: Batteries & electrical

Questions about electrical part

Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How do I find an electrical fault?
Start with fuses, grounds and connectors, then test with a multimeter.
Where do specs and warranty details come from?
From Painless. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.