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You will come across this MLK 1.2 when doing ECM connector and most sensors of the engine.
The famous VVT magnetic solenoid connector you guys bought its pigtail wiring kit for oil-leak-migration-prevention to-ECM is using this female terminal too.
Here I will explain 2 kinds of plastic connector for this Kostal MLK1.2.
One will only use its 1st lock feature and some will use its 1st and 2nd lock feature.
Let me explain :
If the 2 or 3 pin connector plastic body is from Hirschmamn, it only uses the 1st lock.
If the 2 or 3 pin connector plastic body is from Kostal, it will use both 1st lock and 2nd lock.
Hirschmamn 1.2 SealStar connector body, usually pressure sensors and the CamShaft Position Sensors. Only 1st lock is used.
Only 1st lock is used.
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The VVT solenoids, 2 pins connector by Kostal, it uses both 1st and 2nd lock.
I have not tear open this Kostal VVT connector, because I never had the proper de-pinning tool for MLK 1.2........yet, at that time.
Without the de-pinning tool, we can not push down the 2nd lock.
The 1st lock of this COP connector by Kostal are hidden, 4 of them, 1 for each female terminal. Slowly take a look and you will find it.
The special de-pinning tool is to push down the 2nd lock, that "tounge" or latch, or whatever you wanna call it.
Becareful wjhen ordering any male or female terminal, be it SLK 2.8 or MLK 1.2.
The non sealed type means the end of the terminal 2nd claw is without a hole to grip the silicone seal
The sealed type means the 2nd claw has a hole for the silicone seal.
The crimping tool for proper crimping the unique 1st claw for the copper wire strand.
I gott this from Amazon Japan, but this set does not do the 2nd claw "hugging", I would not call 2nd claw as crimping
This will cover MLK1.2 and SLK2.8 and all other terminals needing this difficult style crimping to near as good as below.
If you want a true Kostal MLK 1.2 or SLK 2.8 crimper as MB uses, they cost CRAZY !!!! https://herthundbuss.com/en/kostal/
I got the 3 die kit and 1 crimper kit from Amazon Japan and 1 more crimper I bought locally ( very expensive ) with Pad-11 size die only.
The precision of the die-s dimension are a beautiful sight to see.
I also bought from Aliexpress China, a popular good quality crimper IWiss for its "seal" crimping capability. https://www.aliexpress.com/item/1005...21ef1802YIFACM
Seems OK, but I have not use it yet like the Engineer brand.
This is the lower cost Engineer PA-21 but too small for SLK 2.8, only can do MLK 1.2 and it is not big enough for JPT /Lear 1.5 which is for the DLC/OBD connector.
07-20-2023, 09:31 AM
