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Best Automotive Performance Electrical System Relays

HELLA 007794301 Weatherproof 20/40 Amp SPDT Mini Relay with Bracket
12 volt 20/40 amperes SPDT relay with bracket. Enter your model number to make sure this fits.
Reviews
"This relay is the best one I have ever used... Do yourself a favor and get the wiring harness that will totally seal the connection... Be careful when using the wiring harness... look at the size of wiring that will connect to the relay from what you are controlling ... the stock wiring configuration from the factory may need changed.. ex: the blue wiring used for control may need to be changed to a different pin... No big deal pop the wire out and snap it into the correct one... you may need to swap a couple ones... Buy this system you wont be sorry !!!"
"I would highly recommend some anti-seize on the gasket as separating the relay from the housing painful to say the least."
"Had to modify the installation clip to attach it to the engine."
"Great relays."
"It turned out that one of the relays were bad and they BOTH need to be good in order for your tilt and trim to work properly."
"If you don't need the weatherproof option save some $ and go for the cheaper Hella version, but if you do need waterproof this is the one and pair it with part# H84709001 for a perfect match, as you don't want to use this one on it's own."
"I bought this item because on the listed picture it shows made in USA and also there's a question answered saying they are."
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HELLA H41773001 Solid State Ceramic 32 Amp SPST Mini Relay
Hella Relay 12V Mini Iso Solid State. Enter your model number to make sure this fits.
Reviews
"Well packed and promptly shipped."
"the way of the future great product."
"I used two of these to wire-up a high amperage, PWM (pulse width modulated) engine cooling fan, and I am very pleased with there performance."
"This is a solid state relay, their application is somewhat specific."
"There would be a HUGE market for reliable solid state relays to replace all the relays in Porsche, VW and Audi cars."
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Painless 30802
Painless maintains strict quality requirements for all raw material suppliers to ensure the highest quality finished product. Enter your model number to make sure this fits.
Reviews
"The ground wire could have been a tad longer."
"I put this kit in because I had a mechanic replace my ignition switch a few years back and while he was in there he either caused or noticed the high beam actuator rod was bent."
"I give it a 4 only because of how poorly written the instructions are."
"This installation was really quite easy!"
"Works great."
"If you follow the directions, and lay everything out BEFORE you start the install, you will see the wires are all the perfect length."
"Really easy install, makes all the difference having all 4 bulbs lit at the same time."
"Painless wiring kits are well thought out and use quality components."
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Best Automotive Replacement Fast Idle Relays

Tru-Tech RY27T Fast Idle Valve Solenoid Relay
Tru-Tech RY27T Fast Idle Valve Solenoid Relay [Automotive]. Enter your model number to make sure this fits.
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Best Automotive Replacement Microprocessor Relays

Genuine BMW E46 325i 330i Exterior Trim From A Pillar To C Pillar Black Right Passenger Side 51138208500
Brand New Genuine BMW E46 325i 330i top molding from the A pillar to the C pillar. Enter your model number to make sure this fits.
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Best Automotive Replacement Radiator Fan Relays

Dorman 620-653 Dual Fan Assembly for Chevrolet/GMC
Save time, money and labor with Dorman’s Engine Cooling Fan Assembly. Enter your model number to make sure this fits.
Reviews
"Shipped well."
"works great and draws a lot of air."
"This was the prefect purchase to replace the fans on my 2008 Yukon Denali!"
"I had to carve up the shroud quite a bit to make it fit both the radiator and the space between the rad and motor. I had to do a bit of youtube research to figure out where to wire the switch into an ignition hot circuit so I don't forget to turn the fan on when driving."
"Exact fit replacement for my 2008 Silverado."
"fit perfect - watched youtube vidio - no problem replacing."
"Unfortunately most online retailers do not correctly classify your vehicle to which one it needs (especially for those doing the electric fan conversions) so PLEASE either call Dorman for the correct part number, or assure whoever is selling you the fans looks up which one you need by VIN number!"
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Best Automotive Performance Electrical System Switches

Daystar, Jeep JK Wrangler Lower Switch Panel that will accommodate 1 to 5 rocker style switches, Black, fits 2011 to 2017 2/4WD automatic only, KJ71034BK, Made in America
Designed using the latest computer modeling software, Daystar Dash Panels have a precise fit and a texture that matches the OE dash components. Enter your model number to make sure this fits.
Reviews
"Since this information should have been included in the description or in the pictures, I have decided to do the leg work for Daystar and post a picture of the box you will receive."
"2 scenarios: if I left the bottom clip out of its retainer 'cradle/bar', the top clips lined up, but it wasn’t 'in' 100%, and it would 'unclip' at the top after about 2 minutes of driving. if I clipped in the bottom part, the top male clips wouldn't line up vertically with the female slots, and it wouldn’t install ‘in’ all the way. I compared the factory piece to this unit side by side and the bottom clip is off ever so slightly, just enough to not let the top clips line up. Solution: I took a hacksaw blade (no handle) and carved out a few mm from the bottom clip, and it lowered it just enough to get the top clips to line up and then the top clips went in SNUGLY (even though I haven't driven it after that to see if it stayed in)."
"The original panel that was taken out had four clips."
"I have not taken it off-road since install, so I am not sure if this panel is going to drop down."
"I have this installed on a 2013 JKU with a Switch-Pros switch panel mounted to it."
"fit is a bit better than some others say, but not perfect, do need to add some clearance on the bottom cleats."
"Make sure you review which JK models it's recommended for and make sure you keep the clips from the stock (it's very difficult to find replacements...I found that out the hard way when I threw the clips away with the stock panel)."
"4 switches and a USB charge insert, carefully cut Ouicksell, filed, custom built wire harnesses, (Former Avionics Tech) painted and then installed.... fit couldn't be worse!"
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