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๐ง Upgrade your GM ride with the harness that pros trust!
The Metra 70-1858 Radio Wiring Harness is a precision-engineered 5-inch custom cable designed to seamlessly connect aftermarket receivers to factory plugs on select 1988-2002 GM vehicles. Lightweight and compact, it ensures a perfect fit and easy installation, backed by Metraโs 60+ years of expertise and a 4.6-star user rating from over 5,000 satisfied customers.

| ASIN | B0002BEX8W |
| Best Sellers Rank | #15 in Car Audio & Video Wiring Harnesses |
| Brand | Metra |
| Brand Name | Metra |
| Cable Type | custom |
| Connector Type | Other |
| Customer Reviews | 4.5 out of 5 stars 5,174 Reviews |
| Global Trade Identification Number | 00086429002573 |
| Included Components | Wiring Harness |
| Item Dimensions | 8 x 5 x 1 inches |
| Item Type Name | Connects Aftermarket Receiver To Factory Plug On Select 1988-2002 Gm Vehicles |
| Item Weight | 0.03 Pounds |
| Item dimensions L x W x H | 8 x 5 x 1 inches |
| Manufacturer | METRA Ltd |
| Material | computer |
| Material Type | computer |
| Model | 70-1858 |
| Part Number | 70-1858 |
| UPC | 086429002573 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year limited |
| Wire Diameter | 0.92 Millimeters |
J**.
Easy to use and for a great price
Plug and play. It worked perfectly.
A**X
1997 Chevy Blazer Compatible
Fits 1997 Chevy Blazer perfectly. Great stereo harness
M**W
Works great
Works great and super easy to get set up just gotta color match wires super simple and easy will buy again 100%
J**N
Absolute must for audio installation
I have been using metra for years now on audio installs (personal, family, and friends : not professional). Very simple to install, just pretty much match up colors. great quality and never had a failure or broken wire issue or anything negative.... ever
F**2
Works in 93' Chevy Lumina
This worked well for my 93' Chevy Lumina Euro edition. However, one of the 4 plugs that was supposed to connect into this did not fit. The plastic tabs meant to guide it simply didn't line up right. That mystery plug had two wires running to it that I do not know the function of. However the other end of this plug, where you are meant to wire the radio to, had no wires coming from this mystery plug. So if it had fit into the hole, it still wouldn't be connecting to anything. So I wired the existing cables coming from this harness to my new radio deck, and all the wires match up perfectly with nothing left to run to this mystery plug (I had figured if I had extra wires at the end I'd discern what this mystery plug was for). Turned on the car, radio works perfectly with this mystery plug left disconnected. So I wrapped it in electrical tape and simply stuck it into the back of the radio cavity with the rest of the wires. Harness worked perfectly for function, just one strange plug in my car is now disconnected but it's impacting anything at all.
M**4
Perfect fit!
Perfect fit for a 2001 gmc jimmy
R**R
Adapted perfectly to the new radio.
This harness adapted perfectly to the new radio that I installed just matched up the wire colors with the wires on the new radio and every thing worked perfectly. It made the installation much easer to do.
M**I
Makes Stereo Install EASY
This made the installation easy in my Camaro. The harness does its job by making the car's wiring work with the up to date stereo head unit. Quality feels good in the hand, time will tell about durability. In my experience, these go in and are forgotten about because they just work and stay working. Good for the price!
S**S
V. Good
V. Good
E**O
Worked in a GMC safari
Worked perfectly in my 97 Safari van, did what it is supposed to! I attached some ISO mount cables to the other end, so I could swap decks easily til I found one I liked. Just a tip ;)
J**A
10/10
Muy buena opcion a muy buen precio llego en tiempo y forma Se recomienda esta compra... ... ... ... ..
G**.
GMC truck 1998
Fit perfectly in my 1998 GMC truck with new JVC aftermarket radio
J**0
Radio harness
Very easy to install
Trustpilot
4 days ago
3 weeks ago