4QD controllers Service section and technical information
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6 pin IDC detail

The diagrams in the manuals are of necessity small so here are enlarged details of the IDC connectors used with 4QD controllers.

It is quite easy to dismantle these connectors and re-use them. You need to gently lift the ears of the wire grip to release them from the latch on the body: a couple of dressmaker's pins inserted between ears and body should hold them free so the grip can be pulled off.

The contacts may be retained in the wire grip - if so you may need to pull them out and re-insert them into the body.

1. Shows the front of the connector as it is supplied. Notice the wire grip section at the top which has a row of connected holes into which either individual 7/.02 wires may be put or a fixed-pitch (0.1 inch) ribbon cable may be used - the interconnections allow the webbing between the wires in this ribbon to enter the connector.
   Note the two interference bumps A on the body that are intended to make it difficult to insert the connector back to front. These should locate in the open half of the 6 way connector and should not interfere with the plastic body of the male part.
   Note also the 1 moulded into the connector body. This is absent on some connectors.
2. Shows the front of the connector but the ears on the wire grip have been gently opened to allow the wire grip to be separated. You never need to do this but the grip may become separated accidentally.
   Note the ratchet style teeth on the side of the body that mate with the cable clamp.
3. Shows the connector closed. The wires have been omitted for clarity but you should insert the wires fully into the wire grip before closing the connector.
   If you accidentally close the connector the sides of the wire grip can be gently prised outwards to release them from the ratchet style lugs on the side of the body while the wire grip is lifted off the body. Take case not to bend them to far or they will break. A couple of dressmaker's pins inserted upwards could make the job easier.
4. Shows the back of the connector. Note the two locating teeth on the top of the wire grip that mate with the latch on the body of the male section. These teeth are on the back of the wire grip whereas the interference bumps on the body are on the front.

The second diagram shows the male part and the female part. Left hand side they are separate but correctly oriented. Right hand side they are mated. Notice the interference bumps A in the free mouth of the male part and the two locating teeth B which latch the female part into the male body.

Larger connectors have a third latch in the centre back of the body.

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