Here are the parts you will need:
| Quantity | Part Number | Manufacture | Description | Notes |
|---|---|---|---|---|
| 2 | 1327 | Anderson Power Products | 15-45 AMP Housing - Red | |
| 2 | 1327G6 | Anderson Power Products | 15-45 AMP Housing - Black | |
| 4 | 1331 | Anderson Power Products | 30 AMP Contact | 12-16 AWG |
| 1 | 110G17 | Anderson Power Products | Retaining Pin | 2 High Block |
| 1 | 275-226 | RadioShack | 30 AMP Auto Relay | Nominal Current 160mA |
| 2 | N/A | N/A | Small Zip Ties | |
| 1 | N/A | N/A | 80CM length of 12 Gauge Black | |
| 2 | N/A | N/A | XX Length of 12 Gauge Red | Length as required |
| 2 | N/A | N/A | 12-10 Gauge .250 Female Crimp Connector | |
| 3 | N/A | N/A | 16-18 Gauge .250 Female Crimp Connector | |
| 1 | N/A | N/A | 16-18 Gauge 1/4" Stud Crimp Connector | |
| 1 | N/A | N/A | 18 Gauge Red wire | Length as required |
| 1 | N/A | N/A | 18 Gauge Black or Green | Length as required |
Strip about 8mm of the end of the 80mm section of black 12 gauge wire and solder the contacts on each end, making sure that the contacts are 180 degrees (top to bottom) from each other, this will make it easier to slide in to the housing. (See picture below)
Next Solder a contact to each of the red 12 gauge wires. A third hand device may help with this. We are done with the soldering iron, so you can unplug it at this point.
Slide each end of the black connector into a Powerpole housing, then slide the two housings together. Next slide the black connectors to a pair of stacked red connectors and use a roll pin to secure the block. The negative is now jumped from one connector to the other and we will only use the relay switch the positive.
Next insert the red 12 gauge wires into the red Powerpole housing. Line the relay up and crimp the 10-12 gauge .250 female connectors to the end of the 12 gauge red wire. You only need to strip about 4mm off the end to get a good crimp, and because of the way this relay is set up, the connectors will be at a 90 degree angle from each other.
Make your connections to a local ground (keep it short as possible) and the power to your accessory fuse in the fuse box using 18 gauge wire and the rest of the 16-18 gauge crimp connectors. This will give the radio power when the key is in the On or the Accessory position, but not when the car is starting.
This relay has a power side and a load side, so it's a good idea to mark the plug.
You will probably need to modify this to meet you own needs, but it should be a good start.
Please email me if you have any comments or questions.
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Disclaimer:
If you screw something up because of anything on this page it's
not my fault. Remember fuses are your friend.
Powerpole® is a registered mark of Anderson Power Products®
which is a registered trade mark of Anderson-Carbolon Group, or
something like that.
Page Last Updated: Monday, August 09, 1999
Copyright 1999, Chris Nichols.
