1989 GMC Jimmy Speaker Sizes

The 1989 GMC Jimmy speaker size chart provides factory specifications and locations for audio system components. Information covers dashboard and front door panel speaker positions. Details support replacement or upgrade of factory speakers with aftermarket options, including specifications for each installation location within the audio system.

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Speaker Details by Location
Location Size Type Notes
Dashboard 3.5 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 4x10 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low

1989 GMC Jimmy Speaker Replacement Summary

2 total positions
1 easy to replace
1 high priority
0 professional only

Replacement difficulty:

Low: 1 Medium: 1 High: 0

Replacement priority:

High: 1 Medium: 1 Low: 0

1989 GMC Jimmy Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Single DIN 7"×2" 180×50 Standard size for basic car radios with small display or no display
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The 1989 GMC Jimmy front door panels may benefit from speaker replacement before the dashboard locations, given the larger 4x10 inch opening size compared to the 3.5 inch dashboard openings.
  • Full-range speakers represent the compatible type across both locations, suggesting the factory system likely omitted separate tweeters or dedicated woofers in the original configuration.
  • The 4x10 inch opening in the front doors could provide more bass response potential than the smaller dashboard position due to the increased cone surface area available for sound production.
  • Sound improvement would likely be most noticeable when replacing the door speakers, as the larger format typically allows for better low-frequency reproduction compared to the dashboard speakers.
  • The single DIN radio opening indicates a standard head unit size, which would allow for straightforward aftermarket receiver installation without requiring additional mounting adapters or modifications.
  • Both speaker locations accept full-range designs, meaning each speaker would handle the entire frequency spectrum rather than being dedicated to specific ranges like bass or treble.