Does it have good instructions on how to wire it up.

I do not advise you to wire this directly to the starter coil, although that may be the only easy choice and what the product tells you to do. It is possible that some who state hi current and melting are using this incorrectly. To start the car, this switch would be best In series with the starter relay in the relay box (not the relay coil on the starter), there are " Fuse socket connector kit's" on Amazon. IT may be possible to pull you fuse box stater relay and wire it back to the socket with these, that way you could use this switch to engage the lower current coil in that relay, rather than the higher current coil located on the starter. To complicate that further some cars may have a switch for the power to the relay and some always power the fuse box starter relay and turn it on by the computer supplying a ground switch, so you would need to determine that. This is how I use it in my system. Plus it is much easier to get at the fuse box relay then your starter coil and much safer, if you know how to do this.If you do wire this to the starter relay switch either at the starter or another location, it is a good idea as someone stated to hold it just long enough to start the car. If this is failing as some have stated after 4-5 times then it is no so well designed and you may want to get electrical schematics to figure how to use your fuse box relay.This is not designed and should NEVER be used as a "jumper" that runs from battery directly to the starter windings, in that case, this will melt and potentially start a fire. This would be a very bad thing to do.So in summary most if not all cars go thru this sequence, turn key to start, this supplies power to your starter relay coil in the relay box, that then supplies current to the relay coil mounted on the starter, which is a much bigger coil and relay and will draw alot more current. The large coil on the starter then picks up the final switch that connects the battery to the starter and you have hundreds of amps flowing. That is why starters fail, from the high current, the starter wingdings are fine 90% of the time, its the starter relay contacts that go bad.Best and safest use is to figure a way to wire it IN SERIES with the starter relay in the relay box. Do yourself a favor if you are unsure and buy a fuse from the auto store and another 10-14 gauge wire and wire the fuse in series with this switch if it does not have an internal fuse. Spring for a subscription from Alldata or Mitchell, it is generally about 26$ and well worth your money. You can go to either site and see a full fledged car/truck subscription posted freely, it is 100% same as subscriptions they sell, if they post your car or truck, you are lucky!

how do you turn the motor off from outside

I use this for compression testing, and I've never had a motor start with all the spark plugs removed and the fuel shut off. That said, if you don't turn the ignition on, you can run the starter with this without ignition.

Can I use this as a temporary fix to ignition problems? Does it work on a 2008 mercury mariner?

Thank you for your question. No, this tool will not temporarily fix ignition problems. The Remote Starter Switch allows you to crank your vehicle’s engine (without starting it) from under the hood, without the assistance of a helper. This capability provides convenience when performing many troubleshooting and repair tasks such as compression, fuel pump, generator, starter, and electrical tests or adjusting tappets and setting ignition points. The Remote Starter Switch is hand-actuated by a trigger switch in the hand grip. This will work with a 2008 Mercury Mariner.

The description says China, but the manufacturer responded with Taiwan. Does it matter? This is some wire and a switch. It is not made in the US, otherwise you would need to pay 4x+ the price. The question should be does it work. The COO does not make anything work better.

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Reviews

J**.

He should use long lasting drinks, the motor over easily

The bottom functionality is easy, the size is great, very high button functionality, very high-quality, the overall functionality is perfect, of installation is great two clamps, the brightness is perfect …

11.12.2025

T**D

Works exactly as expected

Works like a charm. Dropped the clips across the starter solenoid and pressed the button....boom, it cranked.

30.12.2025

P**O

⭐️⭐️⭐️⭐️⭐️

Amazing product and excellent quality.

4.12.2025

S**T

Good heavy duty switch, clamps need to be bigger and cable longer, but good value overall

On my 2 door Infiniti g37, I struggled to get the clips on, and when I beared down on the clamp with all my might, got it onto the B wire, but that is full clamp jaw width to get it on, so the clamps need to be about 1/3 larger and longer. The remote wire was at maximum extension while I sat in the car, and I still had to hang my hand out the door, not long enough to take with me all the way into the drivers seat so I would add about 3ft to it. Overall though, its the best switch I have seen on Amazon for the money and the trigger is very heavy duty with a good switch and spring in it. It probably can handle 50 amps no issues. I would recommend it again for the few times a home mechanic will need it.

11.02.2024

F**B

Worked as it should

It worked well, I used it to check compression on a 8 cylinder engine.

13.10.2025

B**D

solid built. should last a while

ideal for working on my older cars. feels solid

22.12.2025

R**R

Must have item for setting timing and checking compression

This works as advertised. It lets me run the starter while standing beside my motor without having to step away or have a buddy turn the key. I used it to check engine compression and to set the timing. I wasn't sure where to attach the electric clamps, but a helpful review from July 2023 had a nice photo of where to attach them to my Mercury 90 Hp 2 stroke outboard. Thank you Jeremy Hall. Quality seems decent, probably not heavy enough for a commercial mechanic shop, but good enough for an amateur mechanic like me who will only use occasionally. It was very inexpensive, and i consider it good value for the money. I am pleased and I recommend this item.

2.10.2023

J**A

Súper esencial

15.01.2026

L**.

ES UNA HERRAMIENTA QUE NO PUEDE FALTAR EN NINGUN TALLER AUTOMOTRIZ NOS FACILITA ENORMEMENTE EL TRABAJO LO RECOMIENDO AMPLIAMENTE GRACIAS

25.11.2025

R**Y

Simple to use and works well.

3.11.2025

B**B

Fungerar som den ska. Utförliga instruktioner följer även med.

4.08.2025

A**R

Works

3.02.2026

G**S

Works as described.

18.03.2025

ASIN	B000EVU8MK
Actuator Type	Push Button
Best Sellers Rank	#7,798 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Replacement Ignition Starter Switches
Brand	Innova
Circuit Type	1-way
Color	Black
Compatible Devices	Vehicles (computer controlled and conventional)
Connectivity Protocol	X-10
Connector Type	Plug in Or Clamp
Contact Material	Metal
Contact Type	Normally Open
Control Method	Touch
Current Rating	1 Amps
Customer Reviews	4.6 4.6 out of 5 stars (3,562)
Date First Available	July 7, 2004
Exterior	Per Item Description
Global Trade Identification Number	00042173036301
International Protection Rating	IP00
Is Discontinued By Manufacturer	No
Item Weight	6 ounces
Item dimensions L x W x H	5 x 2 x 12 inches
Item model number	3630
Lower Temperature Rating	30 Degrees Fahrenheit
Manufacturer	Innova
Manufacturer Part Number	3630
Mirror Lighting Type	Non-Illuminated
Model	3630
Mounting Type	Panel Mount
Number of Items	1
Number of Positions	1
OEM Part Number	3630
Operating Voltage	120 Volts
Operation Mode	ON-OFF
Product Dimensions	5 x 2 x 12 inches
Terminal	Leads
UPC	042173036301
Unit Count	1.0 Count
Upper Temperature Rating	30 Degrees Fahrenheit
Vehicle Service Type	Car, Truck, SUV, Van

Remote Starter Switch

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