Description
Gives a Visual Check of the Ignition System.
From the manufacturer
*All items listed can be purchased individually
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Lisle 20610 Inline Spark Tester
Gives a Visual Check of the Ignition System. Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. The tool is double-ended to offer a straight boot and a 90 boot on one tool. With the engine running, the tool flashes a mirror image of ignition spark.
- 20680: Replacement Bulb
Uses for the 20610 Inline Spark Tester
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Using Straight Boot on Spark Plug. |
Using 90º Boot on Spark Plug. |
Merv McNally –
It works as it should. Much easier then holding the spark plug against the motor while turning the motor over to see if you are getting spark.
Lamont –
I bought this to troubleshoot my ford tractor distributor. I tried to use the directions on the package but they were lacking valuable information. I thought I had blown the bulb that was supplied. I returned it for a replacement, only to get the same results with the replacement. Further troubleshooting, of my troubleshooting tool lead e to understand. First: there isn’t a right and wrong way to connect the wires, so don’t over think that.Secondly: I don’t believe using a lawnmower to test this device is a reliable test.I’d use something like a riding mower or vehicle to test the function.Third: make sure your distributor is timed at least close before you think something is broken.Lastly use a dark background to the bulb to make it easier to see the spark. And lower the light pollution as much as possible to make it easier to see the spark light.
R. Nada –
This is a nice quality item for sure. The boots on each side are good quality rubber and everything snaps together really nice.On my particular tester (see attached photos), I made a few modifications which make this particular tester extra versatile. You can see I have taken a sharp razor blade and cut the boot where it extends on the 90 degree part.I made this modification because I use this tester on both my chainsaws as well as my Toyota pickup and sometimes I need a little access point where i can clip on an external timing light. Sure, they do have induction type timing lights, but those can give inaccurate readings due to spark plug wire shielding and also other spark plug wires nearby. What I have done is cut the boot where it makes a 90 degree turn; this allows me to either use the tester with or without that little section of rubber. When used with the cut off piece installed, then it works like normal. When used without the small length of rubber, then I have a nice clean metal contact point for either a direct electrical clamp or even the induction clamp (away from other spark plug wires). This little upgrade is really nice, just don’t grab it with your bare fingers while the motor is running :)You can also see in the photos that I have replaced the light with a length of just plain spring. This allows for a more solid path, which can sometimes help improve idle. Nothing wrong with the original light that is supplied, but when using high voltage coils on race motors, etc. sometimes I just like having a direct path to the spark plug also. It’s easy enough to unscrew the plastic housing and return the original light back into the mix also, thanks to the very nice design by Lisle.Great little addition to any tool kit. 5-stars for sure.
Ryan –
inexpensive and helps diagnose engine repairs
Rick Moffitt –
Did what it was advertised to do, handy little tool to have in the shop.
john –
I liked the fact that you have a highly visible spark! Connections were secure and it is very well made! I recommend this product!
Ever D Diaz –
works great so far I use it everyday at work and it works great
Gene –
Very useful tool. Easy to use and very adaptable
Justin Halpin –
Works as intended. It is brighter than I expected if you have good ignition. If you are trying to look from a distance and think you can’t tell, it is probably not lighting up.
Roberta Maytum –
The build quality seems very good and it functions well. The packaging looks a little older which is a good thing. I am betting it was not made in china. U.S.A. I hope!
Lamont –
I bought this to troubleshoot my ford tractor distributor. I tried to use the directions on the package but they were lacking valuable information. I thought I had blown the bulb that was supplied. I returned it for a replacement, only to get the same results with the replacement. Further troubleshooting, of my troubleshooting tool lead e to understand. First: there isn’t a right and wrong way to connect the wires, so don’t over think that.Secondly: I don’t believe using a lawnmower to test this device is a reliable test.I’d use something like a riding mower or vehicle to test the function.Third: make sure your distributor is timed at least close before you think something is broken.Lastly use a dark background to the bulb to make it easier to see the spark. And lower the light pollution as much as possible to make it easier to see the spark light.
R. Nada –
This is a nice quality item for sure. The boots on each side are good quality rubber and everything snaps together really nice.On my particular tester (see attached photos), I made a few modifications which make this particular tester extra versatile. You can see I have taken a sharp razor blade and cut the boot where it extends on the 90 degree part.I made this modification because I use this tester on both my chainsaws as well as my Toyota pickup and sometimes I need a little access point where i can clip on an external timing light. Sure, they do have induction type timing lights, but those can give inaccurate readings due to spark plug wire shielding and also other spark plug wires nearby. What I have done is cut the boot where it makes a 90 degree turn; this allows me to either use the tester with or without that little section of rubber. When used with the cut off piece installed, then it works like normal. When used without the small length of rubber, then I have a nice clean metal contact point for either a direct electrical clamp or even the induction clamp (away from other spark plug wires). This little upgrade is really nice, just don’t grab it with your bare fingers while the motor is running :)You can also see in the photos that I have replaced the light with a length of just plain spring. This allows for a more solid path, which can sometimes help improve idle. Nothing wrong with the original light that is supplied, but when using high voltage coils on race motors, etc. sometimes I just like having a direct path to the spark plug also. It’s easy enough to unscrew the plastic housing and return the original light back into the mix also, thanks to the very nice design by Lisle.Great little addition to any tool kit. 5-stars for sure.
Ryan –
inexpensive and helps diagnose engine repairs
Rick Moffitt –
Did what it was advertised to do, handy little tool to have in the shop.
john –
I liked the fact that you have a highly visible spark! Connections were secure and it is very well made! I recommend this product!
Ever D Diaz –
works great so far I use it everyday at work and it works great
Gene –
Very useful tool. Easy to use and very adaptable
Justin Halpin –
Works as intended. It is brighter than I expected if you have good ignition. If you are trying to look from a distance and think you can’t tell, it is probably not lighting up.
Roberta Maytum –
The build quality seems very good and it functions well. The packaging looks a little older which is a good thing. I am betting it was not made in china. U.S.A. I hope!