[ksiever]

hi
i have beeen trying to grt this devils own controller working but with it all hooked up whe i turn the key and the glow plugs start so does the pump and if hooked up would pump the engine full of water.
anyone know where the prob is?

[dvldoc]

Make sure you don't have it hooked to the 5v power wire on the Map sensor, Have you checked the voltage on the green wire. Also if you do not have a solid map connection the controller will hunt for the signal and the pump will come on and off.

You might need to solder the map wire, but verify the voltage first. The controller in the 3 bar and voltage face modes will sense voltage at 1.80 volts or 2psi. Make sure the green wire going to the 5 volt reference source is right. If the controller is powering up and giving the flashes then it is working correctly.

[ksiever]

the controller does blink 3x and seems to power up properly but seems to sense voltage that is shouldnt be so maye i will try soldering the map wire because i do have the right wire.
how many times should the pump light blink for a 7.3.
the other thing it does is when the pump is hooked up but there is no water in the system is at about 2300 rpm the pump and full lights stop till the rpm drops or rises above 2300 then continues untill you hit that point again?

[dvldoc]

The blinks are what mode the controller is in, If a 2 bar, the controller will blink 2 times on start up. You have all the signs of having a loose map sensor connection. When you do solder it, strip the wire down about 1/2 inch, then strip the green wire down about 1 in and wrap it around the factory map wire and solder it. May stock wires are to small a gauge to use taps.

[ksiever]

well i tried the soldering trick and it didnt work
for this truck what mode should it be in and how could it be changed?
its really strange that when i am driving the lights for the pump and full blink and then change to solid then when i get to a certain point the lights go out and then start to blink and slowly progress to solid lights again

[dvldoc]

This is how the controller should be working, Your turn the vehicle on

you see a red power light and get 3 flashes of the 3rd LED

You drive the vehicle and you hit your starting pressure/voltage point the green light will come on then get brighter as the voltage increases.

The 3rd LED will only come on at 95% of the full set point/ pressure/voltage it will flicker if it is just about at that point, after that it will remain solid.


Is this what the controller is doing? Now if you have a MAP sensor that reads in microvoltage for the lower ranges which many 3.3 bar map sensors do then the controller will not work right until it sees the right voltage.

Did you measure the voltage that the green wire is getting under throttle yet?

The controller is based on the GM 3 bar scale for voltage and cannot read microvoltage so if your map sensor has this it is just like no voltage present for the controller so it will hunt for a signal.



To find out for sure it is your map sensor you can base your injection off the MAF by connecting the green wire to the 5 volt output on the MAF which is D