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12VDC/30A SPST Automotive Relay image
 
(based on 9 ratings)
Brand:RadioShack
Located in:Cables, Parts & Connectors, Component parts, Relays & transformers
Ideal for switching lighting and accessories on your vehicle. Coil rating of 12VDC, 160mA, 400 ohms and a body size of 2x1-3/16x1-1/8”.
Product Reviews Summary
Avg. Customer Rating:
 
3.2 stars
(based on 9 reviews)
75% of respondents would recommend this to a friend.

Customers most agreed on the following attributes:

Pros:
Easy to use(3), Versatile(3)
Primary use:
Personal(4)
 
Dodge Grand Caravan Backup light relay
By TimVerified Reviewer from Greenville, TX on 1/28/2008
Pros:
Consistent Performance, Good Length, Rugged, Versatile
Best Uses:
Dodge Grand Caravan relay
Describe Yourself:
Gearhead
Primary use:
Personal
Bottom Line:
Yes, I would recommend this to a friend

This relay is an exact replacement for the backup lamp relay in my 1993 Dodge Grand Caravan. I couldn't believe it when the new relay fit the socket on my van. I plan to buy several more to have on hand should other relays in my 15 year old vehicle start failing.

 
commercial but seems good.
By martyandtheevcar from morton grove, il on 12/18/2007
Pros:
Rugged
Cons:
Instruction missing 87a
Best Uses:
High-End Equipment
Describe Yourself:
Practical
Primary use:
Business

bought for business project and works great

 
A common misconception on these relays:
By NRB from Southern California on 10/27/2007
Pros:
Versatile
Cons:
Wears Easily
Best Uses:
<10 amp automotive
Describe Yourself:
Professional
Primary use:
Personal
Bottom Line:
Yes, I would recommend this to a friend

I have been using these relays for years on my customers' cars where an upgraded fuel pump has been installed. I have only had one of these relays fail, and that's because the pumps demand exceeded the current rating of the relay. It has been a while since I have paid attention to the packaging, so I don't know if it's mentioned or not but these relays will not handle 30 amps continuous. The 30 amp rating is the "pull in" rating, or current inrush rating. The continuous rating, or "hold in" rating is about 10 amps. If you're using this relay in an application that runs 20 amps continuous, like those who are running these with high current accessory lights, they will fail quickly. Like mentioned before, if you need a relay to handle 20-30 amps continuous then you would want to look into a very high quality unit such as the bosch lighting relays.

 
Works Great for Fog lights
By MeckislanderVerified Reviewer from San jose, Ca on 10/7/2007
Pros:
Versatile
Best Uses:
Any 12vdc switch
Primary use:
Personal
Bottom Line:
Yes, I would recommend this to a friend

Easy to use, just wished Radio shack sold a mating connector for further simplicity.

 
Failed in a few days.
By Gearhead from Houston, TX on 7/18/2007
Pros:
None
Cons:
Overpriced, Unreliable
Best Uses:
None
Describe Yourself:
Gearhead, Practical, Professional, Tech Savvy
Primary use:
Personal
Bottom Line:
No, I would not recommend this to a friend

I used 2 of these in a headlight system that only uses draws approx 20amps. The relay FAILED in a few days! Highly disappointed for the price I've paid. I will definitely buy BOSCH instead.

 
Ive used these relays for ...
By Will R from St.Paul on 4/17/2007

Ive used these relays for a number of applications and they work great. The longest is for running 20A stock GM Elec. engine fans on my 60's musclecar. they seem to take being in a wet area ok so far. The relay mounting tab breaks easy, so be nice to it...

[1 of 1 customers found this review helpful]

 
Using one of these relays ...
By claude w from camarillo,ca. on 2/15/2007
Pros:
Easy to use

Using one of these relays to power two 150watt KC lights(300w total should be pulling 25amps)and contacts stick together sometimes, leaving the lights powered on longer than I want(not good, these lights are like turning on the sun). I'll be adding one more relay, One for each light. Hopefully that'll solve the problem.

[1 of 1 customers found this review helpful]

 
Easy to use, but you ...
By Arthur R from Nashville, TN on 12/21/2006
Pros:
Easy to use

Easy to use, but you better not push much power through it. I protected it with a 30-amp fuse in front of it in the circuit, and the relay blew with the fuse still intact, so this relay won't stand up to the 30-amps it claims.

[1 of 2 customers found this review helpful]

 
Decent relay, but it's ...
By Jose S from Newark, NJ on 10/9/2006
Pros:
Easy to use

Decent relay, but it's missing Pin 87a on the underside, which makes it useless for my needs.

Customer Reviews about the 12VDC/30A SPST Automotive Relay at Radio Shack
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