1989 GMC Jimmy Speaker Sizes
The 1989 GMC Jimmy factory audio system includes a dashboard that accommodates 3.5 inch speakers, and a front door panel that accepts 4x10 inch units. Full-range drivers serve as a compatible replacement and upgrade for these locations, matching the 3.5 inch speaker size.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 3.5 | Full-Range |
|
| Front Door Panel | 4x10 | Full-Range |
|
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: 0Replacement priority:
High: 1 Medium: 1 Low: 01989 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.