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Dirty guitar jack – don’t blame your pickups

Les Paul Jack

What could cause a Dirty guitar jack ?

The season is changing, old guitars are coming out of cupboards, if your electrics are crackly or your guitar keeps cutting out it might just be a Dirty guitar jack – don’t blame your pickups. At least not yet.

 It’s pretty simple really, if you’ve got a crackly guitar the jack may just need cleaning. Don’t blame your pickups straight away. Jack sockets, switches and pots are more likely to cause problems than your pickups.

Of course, when you eliminate all the other possibilities you might be needing a repairer. Here’s a list og repairers in NZ:

https://mrglynspickups.com/guitar-repairs-nz-directory-2023/

Incidentally, it’s an “output” jack, not an “input” jack – just a pet hate of mine.

You can see the jack in this Les Paul is looking a tad fluffy. This one isn’t very bad but it’s worth a clean anyway as part of a set up.

Dirty guitar jack - don't blame your pickups Mr Glyn's Pickups

I use 600 grade wet’n’dry paper used dry.

Mr Glyn's Pickups

I simply tear a piece off, roll it up and clean the jack out with it. A squirt with some contact cleaner can help. It’s good to keep a piece in your guitar case in case your jack goes crackly at a gig.

Dirty Jack  - cleaning

 You can see a fair bit of dirt can come off even this relatively clean jack. Just think what that was doing to your earth connection.

Dirty Jack - how to clean it

If a dirty guitar jackis really bad and you are gigging just replace it. It doesn’t cost much and it’s something you just can’t do without. If your jack stuffs up on stage it’s not a good look. I always have a small piece of 600 grade in my gig bag just in case.
   Cheers
       Glyn

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updated August 2023

Dirty Jack – don’t blame your pickups

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Larry and the Trons

Larry and the Trons is a short video by Brett Kingman to demonstrate Mr Glyn’s Pickups TheTron pickup set in a Telecaster Cabronita.

I sent him a set of TheTron pickups to make a demo and this is the 4th video he’s made – he must like them.

I designed TheTron pickup set with Gretsch guitars in mind and in particular the lightly overdriven sound of early Malcolm Young. It’s great when a player takes your design and makes you re-think it.

Since Brett fitted his set into a Telecaster Cabronita I’ve changed the spec of these pickups and now offer them in 52mm and 49.2mm spacing to match Fender style bridges. I do try and listen to players whenever I can.

Larry and the Trons

TheTron is the perfect pickup as a Gretsch upgrade, for the modern player wanting something other than Gibson style humbuckers, rockabilly players after that traditional tone, jazz players or, like me, Malcolm Young fans. There’s so much you can to with The Tron.

For the modern player with one foot in the past.

Here’s TheTron’s home page for more info and demos https://mrglynspickups.com/2021/09/22/thetron/

Mr Glyns TheTron pickup set. Larry and the Trons

Larry and the Trons https://www.youtube.com/watch?v=ga0qYdh565s

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Telecaster Bridge Pickup Repair

I had this Fender Telecaster bridge pickup repair in the other day and thought I’d show you it. It’s from an ’87/8 Fender Telecaster USA Standard.

Tele bridge pickups are the essence of Rock’n’Roll. For those of us that love our Teles there’s just nothing like it. So how come they sound so different from Strat bridge pickups? The magnets are usually the same, the windings are about the same so what makes Telecasters so distinctive?

There are 2 factors:

1) The Tele has a steel baseplate. This base plate increases the pickup’s inductance (by about 7%) giving it a bit more power. It also changes the shape of the magnetic field a little, broadening the magnetic window so the pickup ‘hears’ a bit more of the string. I use this principle on my ‘Tui’ Strat pickups. https://mrglynspickups.com/2020/03/29/tui-hot-strat-set/

2)The pickup is mounted to the steel bridge plate. Put a Tele bridge pickup in a Strat and you’re only half way to a true Tele sound. It really does make a big difference.

Telecaster Bridge Pickup Repair

So, back to the repair – this pickup was completely dead showing ‘open circuit’ on the test meter. As with every one of these repair jobs I start by checking for dry solder joints – always worth ago. The solder joints were fine so time to look further.

As you can see from the picture there’s a lot of corrosion on the pole pieces. My suspicion is the corrosion has spread to the inside of the pickup and caused a break in the windings. I need to get in there and investigate.

90’s Telecaster Standard  bridge pickup. Mr Glyn’s pickups.

Once the windings are cut out it’s pretty obvious the corrosion has caused the problem. Fender pickups are wound directly on to the pole pieces so a bit of rust and they’ve had it.

Tele bridge pickup repair . MrGlyn’s Pickups  New Zealand

I clean the rust off and treat it with an anti rust product . Then I glue the poles to the fibreboard using superglue to make them secure.

Telecaster Bridge Pickup Repair MrGlyn’s Pickups .

After that it’s a few coats of shellac to seal everything and finally I wrap the pole pieces with tape. I know it seems a bit extreme but I want to keep the windings from touching the pole pieces so this doesn’t happen again. The tape is so thin it won’t make any difference to the sound. I want this Telecaster bridge pickup repair to last.

It’s all about preventing this problem from occurring again.

Mr Glyns  pickups New Zealand

Then finally I re-wind the pickup to the original spec.

Pickup rewind Telecaster . Mr Glyn  pickups

After the pickup is wax potted and the protective string replaced and waxed the Telecaster Bridge Pickup Repair is done and it’s ready to go back to its owner.

Telecaster bridge pickup. Mr Glyns  Pickups

It’s really satisfying saving old pickups.

If you have a pickup problem get in touch – mrglynspickups@gmail.com

For new pickups visit the website, I make 2 flavours of Telecaster sets.

https://mrglynspickups.com

https://www.youtube.com/c/MrGlynsPickups/videos

Mr Glyn’s Pickups is based near Auckland, New Zealand. We manufacture a full range of electric guitar pickups for every situation.

Telecaster Bridge Pickup Repair

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Silver Lady-vintage Telecaster

Single Silver Lady-vintage Telecaster NZ$129 for NZ customers, if you’re overseas it’s GST free; NZ$112.17

Set Silver Lady-vintage Telecaster NZ$249 for NZ customers, if you’re overseas it’s GST free; NZ$216.52

Alnico III, Bridge 5.9 KOhms, 3.18H, Neck 7.25 KOhms, 2.39H

Silver Lady-vintage Telecaster set is designed for the traditional telecaster player. The bridge pickup has plenty of twang and clarity but is never harsh. The neck pickup full, clear and perfectly balanced with the bridge pickup.

.

Telecasters are brutally honest guitars. There’s no hiding behind fat mushy tones – if you can do it on a Tele then you really can do it.

I wanted to make a Telecaster set that would reflect the clear honest tone of an old Tele. It’s a delicate balance to get enough treble and for the top end to have sufficient warmth to be usable, but with no hint of woof or boom in the bottom. The bottom needs to be full and clear with no hint of muddiness. The bridge needs a twang but it has to be a warm twang without being over harsh. I’ve used Alnico III magnets with a vintage style wind on both these pickups

Alnico III have low string pull which increases sustain. The lower power magnets let the strings ring more clearly.

All my magnets are specially made for me, they need to be just right.

This pickup set is primarily for clean Telecaster players. They are ideal for those classic country tones or for textural rhythm players. They’re great for giving a pure signal for modulation effects.

Through my repair work I’ve re-wound a lot of old Tele pickups. This is invaluable experience for designing my own version. I enlisted the help of a couple of experienced Telecaster players as test pilots. I really needed plenty of opinions and testing through a variety of amplifiers to get this one right.

I’m really happy with the warm classic tone of this set, clear and chiming with just the right twang. So I have given them a classic name – “Silver Lady”.

Silver Lady-vintage Telecaster

Silver Lady-vintage Telecaster pickup set by Mr Glyn's Pickups
Vintage voiced Telecaster pickup

Silver Lady-vintage Telecaster

https://www.youtube.com/c/MrGlynsPickups/videos

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