Price History for 12-Volt or 24-Volt Diagnostic Relay
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12-Volt or 24-Volt Diagnostic Relay
This Relay Buddy is a quick go/no-go tester for the most common automotive relays. This new version Relay Buddy tests both 12-Volt and 24-Volt relays. If the relay fails the test, 3 different trouble codes will
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Price History Chart
Recorded price history
Showing the 30 most recent of 33 recorded prices.
| Date | Price |
|---|---|
| Jul 16, 2026 | $75.42 |
| Jul 15, 2026 | $76.12 |
| Jun 26, 2026 | $75.42 |
| Jun 14, 2026 | $77.71 |
| Jun 11, 2026 | $77.78 |
| May 19, 2026 | $75.39 |
| May 15, 2026 | $75.49 |
| May 13, 2026 | $71.87 |
| May 11, 2026 | $74.09 |
| Apr 27, 2026 | $76.38 |
| Apr 26, 2026 | $78.65 |
| Apr 19, 2026 | $75.13 |
| Apr 13, 2026 | $73.93 |
| Apr 12, 2026 | $75.60 |
| Apr 10, 2026 | $73.93 |
| Mar 22, 2026 | $75.52 |
| Mar 19, 2026 | $76.23 |
| Mar 1, 2026 | $75.68 |
| Jan 13, 2026 | $76.53 |
| Jan 11, 2026 | $71.94 |
| Jan 10, 2026 | $74.16 |
| Jan 9, 2026 | $76.45 |
| Jan 8, 2026 | $76.46 |
| Jan 6, 2026 | $74.38 |
| Jan 4, 2026 | $76.46 |
| Jan 2, 2026 | $74.38 |
| Jan 1, 2026 | $81.15 |
| Dec 29, 2025 | $85.16 |
| Dec 24, 2025 | $79.59 |
| Dec 14, 2025 | $74.38 |
Analysis
12-Volt or 24-Volt Diagnostic Relay price analysis
Price analysis for 12-Volt or 24-Volt Diagnostic Relay at Home Depot: Today's price is $75.42. Current price is 0% below the 90-day average of $75.48 (a $0.06 below the running mean).
- Currently listed at $75.42, which is $1.04 above the original MSRP of $74.38.
- Current price is 0% below the 90-day average of $75.48 (a $0.06 below the running mean).
- The lowest recorded price on PriceWatchPro was $71.87 on May 13, 2026. That's $3.55 below today's price.
- The highest recorded price on PriceWatchPro was $85.16 on December 29, 2025. Today's price is $9.74 below that peak.
- 30-day trend: essentially flat (less than 1% movement).
- Across 32 tracked price changes, the listing has dropped 14 times with an average drop of $2.28.
- PriceWatchPro has been tracking this listing since October 21, 2025 (289 days of price history).
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