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-   -   M104 plug/coil wires? (http://www.peachparts.com/shopforum/showthread.php?t=399201)

speednjay 05-24-2019 09:41 PM

M104 plug/coil wires?
 
It seems I can’t buy a Mercedes kit anymore. Mercedes says I need to buy bulk wire and make the wires. Is there equivalent alternative brand I could use? Rock auto has a few kits..Pelican sells a karlyn. Anyone have an opinion with that brand?

Sugar Bear 05-24-2019 10:05 PM

NGK, Bosch, if keeping the car get something with a lifetime warranty. The coil to plug boots do fail.

speednjay 05-24-2019 10:09 PM

Quote:

Originally Posted by Sugar Bear (Post 3923031)
NGK, Bosch, if keeping the car get something with a lifetime warranty. The coil to plug boots do fail.

Iíll give the Ngk a try. Definitely keeping the car. Itís got a few issues Iím trying to track down. One of them is a faint random/intermittenting misfire. Doesnít feel like a coil but could be a wire

Zulfiqar 05-24-2019 11:43 PM

Try to find an oldschool shop, they have the crimping tools for these exact jobs and will do it at a rather reasonable cost too.

speednjay 05-25-2019 12:39 AM

Quote:

Originally Posted by Zulfiqar (Post 3923063)
Try to find an oldschool shop, they have the crimping tools for these exact jobs and will do it at a rather reasonable cost too.

Looks like a crimping tool is only $20. Might just grab that and put this **** together

Sugar Bear 05-25-2019 01:01 AM

Random misfires can be coils, plugs, coil to plug connectors and/or wires. Look closely at any wire set to be certain that it includes the 3 coil to plug connectors. A faint gray graphite like powder around the exterior ceramic of the spark plug where it meets the end of the rubber boot is a sign the coil to plug connector is bad and causing misfires. Seen it several times.

Coils with butterscotch lettering are old and were replaced with blue lettering.

I have some F8DC4's NIB if you are interested send me a PM.

Good luck!!!

speednjay 05-25-2019 01:14 AM

Quote:

Originally Posted by Sugar Bear (Post 3923095)
Random misfires can be coils, plugs, coil to plug connectors and/or wires. Look closely at any wire set to be certain that it includes the 3 coil to plug connectors. A faint gray graphite like powder around the exterior ceramic of the spark plug where it meets the end of the rubber boot is a sign the coil to plug connector is bad and causing misfires. Seen it several times.

Coils with butterscotch lettering are old and were replaced with blue lettering.

I have some F8DC4's NIB if you are interested send me a PM.

Good luck!!!

Plugs are new.. Iíll check things out and look closer. Itís a very weak misfire.. kinda like a hiccup now and then. Only noticeable under load when driving. nothing at idle or even reving in park.

Kestas 05-29-2019 11:01 AM

Maybe this web site will be of some help:

https://www.magnecor.com/magnecor1/main.htm

spwiggins 07-18-2019 07:24 PM

I found Bosch kits somewhere a few months ago, either FCP or *********. I've seen some postings somewhere regarding Karlyn that were not encouraging.

speednjay 07-21-2019 11:14 PM

Went with the karlyn from pelican parts and my misfire cleared up. I order a lot of stuff from pelican and Iím sure they would return a set of plug wires if I wasnít happy.


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