The GM Genuine Parts 15-81106 relay is a compact, panel-mount 12V multi-purpose switch designed to meet OE specs for Chevrolet, Buick, GMC and Cadillac A/C circuits. It measures roughly 1.5″ x 1″ x 1″, features standard spade terminals, and claims durable construction for repeated cycling. Key questions: does the terminal layout match your harness, will the amperage rating suit your compressor clutch? Review fitment, ratings, warranty, and installation notes next.
Key Takeaways
- OEM-quality 12V A/C relay matching GM form, fit, and function for many Chevy, Buick, GMC, and Cadillac models.
- Compact panel-mount design (1.9 x 1.9 x 1.2 inches) with three terminals; verify connector type and mounting space.
- Durable performance tested to OE specs, handling frequent compressor starts and repeated cycling.
- Highly rated by users (4.6/5 from 90 ratings) for reliable operation and correct fit.
- Backed by GM warranty support and typically returnable within 30 days through Amazon sellers.
Product Overview and Key Specs
The GM Genuine Parts 15-81106 Multi-Purpose Relay is a compact, OE-quality electrical switch designed for various A/C system applications in Chevrolet, Buick, GMC, and Cadillac vehicles.
The GM Genuine Parts 15-81106 is a compact, OE-quality relay built for A/C systems in Chevy, Buick, GMC, and Cadillac vehicles.
It offers 12V coil operation, three terminals, panel-mount form, and dimensions of 1.9 x 1.9 x 1.2 inches, weighing 1.06 ounces.
How reliable is it? Tested to OE specifications and backed by General Motors, it meets expected safety and performance standards.
Who benefits? Technicians and liberated DIYers seeking durable, factory-grade components.
Practical note: check connector type and mounting clearance, verify coil voltage compatibility before installation.
Fitment and Vehicle Compatibility
Although fitment can vary by model year and trim, the GM Genuine Parts 15-81106 relay is engineered specifically for Chevrolet, Buick, GMC, and Cadillac applications and matches OEM form, fit, and function in many factory A/C circuits.
Readers seeking liberation from guesswork get clear compatibility guidance. Which vehicles? Refer to GM parts catalogs and VIN lookup for exact fit.
What to measure? Dimensions: 1.9 x 1.9 x 1.2 inches, 3 terminals, 12V coil, panel-mount profile.
Practical note: confirm connector type and mounting space before purchase. Warranty-backed replacement reduces installation risk and preserves factory specifications.
Performance and Real-World Use
After confirming fitment and connector type, attention shifts to how the 15-81106 performs in daily use, particularly in A/C circuits that demand reliable switching under repeated load. The relay shows consistent 12 V operation, compact 1.9 x 1.9 x 1.2 in dimensions, and light 1.06 oz weight. Durability appears aligned with OE specs; cycling resistance, contact integrity, thermal behavior are noted. Practical questions: Will it handle frequent compressor starts? Yes, within OEM duty. Considerations: correct mounting, clean connectors, rated coil voltage. Liberation-minded drivers get dependable, serviceable parts that restore control and confidence.
| Feature | Spec | Note |
|---|---|---|
| Coil Voltage | 12 V | OEM match |
| Dimensions | 1.9 x 1.9 x 1.2 in | Compact |
| Weight | 1.06 oz | Lightweight |
| Terminals | 3 | Panel mount |
| Model | 15-81106 | GM Genuine Parts |
Customer Ratings and Common Feedback
User reviews offer a concise snapshot of how the GM Genuine Parts 15-81106 performs in real-world use, reporting a 4.6 out of 5 average from 90 ratings and a Best Sellers Rank of #83,367 in Automotive.
Reviewers cite reliable 12V operation, correct 1.9 x 1.9 x 1.2 inch fit, and solid panel-mount mounting as common positives.
Common concerns: installation clarity, terminal spacing, and occasional mismatch with non-GM models.
Q: How consistent is quality? A: Mostly consistent; failures are rare.
Practical note: check terminal layout and part number 13503103 before purchase to guarantee compatibility.
Warranty, Returns, and Value Assessment
With customer feedback showing generally reliable performance and occasional fitment caveats, it makes sense to examine the warranty, returns, and overall value before purchase. The relay is backed by General Motors warranty support; specifics depend on dealer or seller. Amazon offers a 30-day voluntary return window. Is it worth it? For 1.9 x 1.9 x 1.2 in, 1.06 oz relay, value is high when OE fitment matches.
| Item | Note |
|---|---|
| Warranty | GM-supported |
| Return | Amazon 30-day |
| Size | 1.9×1.9×1.2 in |
| Weight | 1.06 oz |
| Value | Good for OEM use |
Frequently Asked Questions
Is This Relay Interchangeable With Non-Gm Aftermarket Relays?
No; the relay is not universally interchangeable. It suits specific GM vehicles and OE specs, so freedom-seeking installers should verify terminal count, coil voltage, mounting, and electrical ratings before replacing with non-GM aftermarket units.
Can I Use This Relay for Non-A/C Electrical Accessories?
Yes; the relay can serve non-A/C accessories if voltage, current, terminals, and mounting match the accessory. The liberated user should verify 12V coil, switching capacity, three-terminal wiring, and OE specs before adapting it.
Does It Require Any Special Tools to Install?
No, it does not require special tools; one person can install it with basic wrenches and a screwdriver. With a 4.6-star approval rate, installers pursuing autonomy will find the process straightforward and empowering.
Is the Relay Waterproof or Weather-Resistant?
No; the relay is not specified as waterproof or weather-resistant. It meets OE specifications for vehicle interior or protected locations, so installers aiming for durable freedom should guarantee sealed housings or additional protection for exposed environments.
Are Replacement Terminals or Sockets Available Separately?
Yes; accessories like replacement terminals or sockets are available separately, offering users freedom to repair and upgrade. Suppliers and dealerships stock compatible automotive connectors, empowering independent maintenance with OE-spec parts and liberating self-reliant owners.
Conclusion
Conclusion:
The GM Genuine Parts 15-81106 relay is a compact, panel-mount 12V multi-purpose switch that meets OE specs, measures approximately 1.5 x 1.0 x 1.0 inches, and fits many Chevrolet, Buick, GMC, and Cadillac A/C circuits. Is it reliable? Yes—high customer ratings and solid construction suggest durability, though confirm terminal layout and pin spacing before purchase. Like a quiet workhorse, it delivers consistent performance, backed by GM’s warranty and straightforward returns.
