How-To: Oil Pressure Kit for the Aeroforce Interceptor **PICS**

[SWThomas]

Next I cut some long sections of wire for the harness. I cut them extra long just in case. It's better to start with a longer wire than realizing later you didn't use enough. I used RED for the power, BLACK for the ground and BLACK for the signal. I just cut a little longer piece of black for the signal so I wouldn't get it confused with the ground. I soldered all of these wires together and used heat shrink tubing to cover them...






Here's my little tackle box with some of my wiring supplies and the heat gun I got from Summit a while ago...




Then I surrounded the wires with some convoluted tubing and ran them up to the top of the engine. I followed the same path as the wires for the stock switch and used tie-wraps to secure them together. The first wire I worked on was the sender ground. I used a ring connector and grounded it to one of the studs that secures the chain cover to the block...




Next I found my power source. I used a Multi-Meter to find which wire I needed on the EGR harness. There are three wires for this harness and both of the outside wires read 5V. But I found out when I initially tried to set everything up that one must be a falling signal because the one I tapped into was reading negative 9-something on the Interceptor. So I switched to the other outside wire and it worked fine...






Next I needed to get the last wire, the signal wire, to the Interceptor. I went into the cab through the large grommet on the fire wall. I had previously ran several wires through this location so I just pushed this one through...


I pulled the kick panel out so I would have better access and ran the signal wire up to the Interceptor. I tie-wrapped this wire to the Interceptors harness cable just to keep them together...






Next, I had to connect this wire to the harness I mentioned earlier. I decided to use Analog 2 (WHITE wire) which is the LEFT pin on the back of the Interceptor. So I connected the signal wire I ran up to the gauge to the WHITE wire of the harness and plugged it into the Interceptor. Then I re-installed the Interceptor back into my gauge pod...






Then I wanted to make sure everything worked before I put the cab back together and hid the wires under the hood. The kit also came with instruction on programming the Interceptor for this sender. These instructions are extremely clear but I'll list the steps to program the Interceptor anyway...

1. Turn the key forward to power-up the Interceptor.
2. Push both buttons on the face of Interceptor at the same time. This takes you to the MENU.
3. Push the LEFT button and scroll through the menu until to get to "Analog 2" and push the right button to select it. (I used Analog 2 but you can use Analog 1 if you want)
4. You'll then be able to enter the conversion. The first setting that will pop up is "SLOPE". Enter 031.9 for this setting. Use the left button to change the numbers and the right button to move onto the next number. Once you're done with the last number, push the right button again to be taken to the next setting to modify.
5. The next setting is "INTERCEPT". Set this value to -09.7. The negative sign needs to be entered in the first position on the left, so it will look like "-09.7". Once you're done with the last number, push the right button again.
6. You'll be taken to the Analog Menu where you can select what you want this Analog to be called. Use the left button to scroll through the menu and the right button to select the name you want. There are several different names on this menu such as; Analog 1, Analog 2, Air Fuel, Fuel Pressure, Oil Pressure, Fluid Temperature, EGT, and a few others that I can't remember right now. I just installed an Oil Pressure Kit, so naturally I chose Oil Pressure. Once you've selected the name, scroll through the menu with the left button until you come to "EXIT".
7. Press the right button and you'll be taken back to the main menu. Select "SCAN" and you're good to go!

I started up my engine to check everything out and I was seeing 79-80 PSI of oil pressure. This seems normal since the engine was cold and I have a Melling High Volume Oil Pump. Then I buttoned everything up and called it a day.