Name: METRA Ltd 70-1677-1 78 - 91 Gm Vehicle Harness
Brand: Metra
Price: 19.86 EUR
Availability: InStock

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🔧 Upgrade your GM ride’s sound system in minutes—no cutting, no hassle, just pure power!

SPEAKER POWER READY - Delivers reliable power to your aftermarket speakers for crisp, clear sound.
COLOR CODED PRECISION - Simplifies wiring with clearly marked cables, reducing installation time and errors.
COMPACT LIGHTWEIGHT - At just 0.15 lbs and 8x5x2 inches, it fits discreetly without adding bulk.
SEAMLESS PLUG AND PLAY - Directly connects to 1978-91 GM factory radio plugs for a no-fuss install.
FUTURE PROOF COMPATIBILITY - Supports additional adapters to retain steering wheel controls and advanced vehicle functions.

The METRA Ltd 70-1677-1 wiring harness is a precision-engineered adapter designed for 1978-91 GM vehicles, enabling quick and clean installation of aftermarket radios. Featuring a vehicle-specific plug, color-coded wiring, and speaker power support, it streamlines upgrades while preserving factory connections and functionality.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 19.86

Duties & taxes incl.

Slovakiastore

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15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

View all Trustpilot reviews

Brand	Metra
Material	Plastic
Item dimensions L x W x H	8 x 5 x 2 inches
Item Weight	0.1 Pounds
Connector Type	DIN
Recommended Uses For Product	Car
Manufacturer	Sound Around
UPC	086429002566
Global Trade Identification Number	00086429002566
Item Weight	1.6 ounces
Product Dimensions	8 x 5 x 2 inches
Item model number	70-1677-1
Is Discontinued By Manufacturer	No
Warranty	Check Manufacturer
Weight	0.15 Pounds

METRA Ltd 70-1677-1 78 - 91 Gm Vehicle Harness

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Common Questions