you really should see if your other connections are hooked up correctly or your motherboard is grounded by a screw. IF the connector on the end of the cable from your fan speed controller module is the same size and shape as a normal 4-pin Molex male (with pins) connector, but has only 2 pins in. and as we stated molex is far from ideal. Only proper way is to connect this one you have. CAUTION: these pins have a square cross section and will not fit in Whelen Molex connectors that require pans with a circular cross section.
Altough I don't see how could you connect it wrong due to shape. Second: i was able to plug in half the 8 pin but the computer wont start, i checked the psu using the paperclip trick and checked my connections using my old psu, so is the problem that the wrong 4 were pluged in or is it possible that my computer wont support the psu?, or did i just plug in the wrong half of the 8 pin? Removing the wires without damaging the connectors is a simple method of enabling users to switch the polarity of actuator wires without needing to obtain additional Molex connectors or Molex housing.Yes that will work įirst: where can i buy this locally? i dont want to wait for the shiping, so can i find it at a radioshack, best buy, staples, walmart? Once the header pins push back the hooks, Molex connector pin removal is simple, and the wire can slide out of the housing by pulling back on it without causing any damages to the power connector. This is completed by pushing the header pin into the thin gap between the metal power connector and the plastic on both sides of the housing. In this tutorial, we are using flat header pins that are used to release the hooks.
Since there are two hooks keeping the connectors in place within the housing, they will need to be pushed back to release the wires. Part 3: Removing Wires with Crimped Power Connectors from a Housing However, there is a method of removing the wire from the housing without damaging the power connector. Once the crimped wire has been inserted into the housing, it will be difficult to remove. The power connectors have hooks that allow the connectors to latch into the connector housing. To disconnect a Molex connector (male and female connection), simple press down on outside clip and pull the connectors apart. Try crimping the wire again and inspect the crimp before inserting it into the housing. If the power connector pulls out or the wire comes loose, it means that your crimp was faulty. There are two housing options available, namely, a male housing (female power connectors) and a female housing (male power connectors). For example, a Progressive Automations control box may require the actuator wires to have a designated orientation to obtain an extend and retract sequence that correlates to the ‘up’ or ‘down’ activation buttons on a wireless remote. The orientation of the wires can be based strictly off preference and will depend on the Molex wiring required for the type of system that you are working with. The crimped wires can now be fed into the connector housing.
Part 2: Adding Wires with Crimped Power Connectors to the Connector Housing Clamp down on the crimping tool and release.Įnsure the correct power connector is crimped onto the wire depending on if you use Molex connectors that are male or female. With the stripped wire inserted into the un-crimped power connector, load it into the crimping tool.Īlternatively, insert the un-crimped power connector into the crimping tool without the wire, and then feed the wire into the connector (either way works). Molex 51021-0400 PicoBlade Female Housing 4 Position 1.25mm. 39-29-9047 Molex Pin Header 4.2 mm 2 Rows 4 Contacts Straight.
#4 PIN SQUARE MOLEX CONNECTOR PLUS#
Free delivery and returns on eBay Plus items for Plus members. Therefore, the optimal length of exposed wire is 2.5 mm (the length of the crimp zone). Get the best deals on Industrial Electrical Connectors 4 Pins. The amount of exposed wire should not exceed the length of the power connectors insulation and crimp zone, which is 5mm. Part 1: Stripping the Wire and Adding the Power Connectorsīegin by using a wire stripping tool to strip back enough wire, ensuring proper connection when crimping on the power connectors.
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