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For 70 HP Mercury/Mariner 1977-93 models with Serial # 4571652 thru OD283222, 114-7778 is an ignition switch box. Restores spark control where the original module has failed or become unreliable.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 114-7778
Mercury70 HPSwitch BoxWeight: 2 lb
3.0 / 5  (8 votes)
For 70 HP Mercury/Mariner 1977-93 models with Serial # 4571652 thru OD283222, 114-7778 is an ignition switch box. Restores spark control where the original module has failed or become unreliable.
List Price: $274.99
Your Price: $120.10
Normally In Stock

In Stock items ship same day if ordered before 3PM CST (excluding weekends and holidays)

Replaces OEM#'s

332-5524, 332-7778, 332-7778A1, 332-7778A3, 332-7778A5, 332-7778A6, 332-7778A9, 332-7778A12

Product Details

This switch box is engineered to manage CDI ignition timing and spark sequencing for dependable ignition performance throughout the engine's operating range.

Marine-grade molded connectors and sealed electronic construction help maintain dependable ignition performance in demanding marine applications.

Features

  • Supports dependable ignition timing operation
  • High-energy CDI ignition switching design
  • Vibration-resistant internal circuitry
  • Helps maintain reliable spark delivery under load

Common Symptoms of a Failing Switch Box

  • Engine misfire under acceleration
  • Intermittent spark or ignition drop-out
  • Sudden ignition failure after warm-up
  • Hard starting conditions

Need Fitment Help?

Tell us your brand, horsepower, and part number. We can help verify fitment before you order.

Support PDF files appear on this page when available.