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EFI Running Rich-help making usb ALDL cable.

BigRigg

Y-Block King
My EFI is running rich. I have to hold the pedal to the floor and then the scout will start after cranking and cranking. Once I get it running, it runs pretty good. I need to set up the laptop and see why. I know part of the problem is, I don;t have an 02 sensor hooked up yet. I was hoping to get this thing running well enough to get the exhaust redone, and have a bung welded in at that time.

I do not have an aldl plug. It looks like Bill used a USB cable and wired directly to the ALDL orange and white wires. I have a ton of USB cables around here. They look like they have 4 wires when you cut off an end. What wires tie with the orange wire, and what wires tie with the white wire?


Any help is really appreciated!
 

Bill USN-1

Moderator
Staff member
Moderator
Make sure the initial setup procedures are performed correctly.
Check for any error codes using the SES light.

Your usb needs to be a TTL specific cable.
You don't use the white with black stripe, that is used to jumper to the blk/gnd wire that should be in pin A, to make it enter the diagnostic mode. That will blink the SES light and provide your error codes.
For ALDL, which is explained in the data logging FAQ, you use the black.pin A and the org/pin E.
If you have a standard 4 wire TTL usb, then you use the black wire to black and the white wire to the org.
YOU must use an old win98/XP/Vista laptop for standard installation of program and drivers
OR
For win 7 and newer
You must disable the wifi adapter prior to loading any software.
Install winaldl directly to the C:/winaldl directory
Install the 2010 version of the driver(if using a prolific chipset) or the current driver if not prolific chip.
Make sure wifi adapter is still off, then plug in usb cable.
Check device manager for port assigned during install.

or
Send me $30 for a cable and software.
 

BigRigg

Y-Block King
Make sure the initial setup procedures are performed correctly.
Check for any error codes using the SES light.

Your usb needs to be a TTL specific cable.
You don't use the white with black stripe, that is used to jumper to the blk/gnd wire that should be in pin A, to make it enter the diagnostic mode. That will blink the SES light and provide your error codes.
For ALDL, which is explained in the data logging FAQ, you use the black.pin A and the org/pin E.
If you have a standard 4 wire TTL usb, then you use the black wire to black and the white wire to the org.
YOU must use an old win98/XP/Vista laptop for standard installation of program and drivers
OR
For win 7 and newer
You must disable the wifi adapter prior to loading any software.
Install winaldl directly to the C:/winaldl directory
Install the 2010 version of the driver(if using a prolific chipset) or the current driver if not prolific chip.
Make sure wifi adapter is still off, then plug in usb cable.
Check device manager for port assigned during install.

or
Send me $30 for a cable and software.
Thanks bill! I know I have error codes, because my dummy light tells me so, but I cant check because I dont have anything to plug into. All I have are a white and orange wire off the back of the ECM plug. Do I understand correctly, that if I buy the USB you provide, I just use spade terminals to tie to the Orange and White wires on the ECM? Then I just plug that into a laptop?

I currently have Windows 10. Will your software work with this?

When I can get this thing to start, it runs really good. I am almost there! Thanks again!
 

Bill USN-1

Moderator
Staff member
Moderator
You need to read my post again.
Then look at the wiring FAQ for the wires that are supposed to be in the ALDL plug.
Then read the data logging FAQ to see which to use.
upload_2018-5-22_10-25-26.pngDSC01117.JPG upload_2018-5-22_10-25-26.png
 

BigRigg

Y-Block King
Ok, I guess I was confused. In this picture, you are not using a plug, and I thought I could get away without one? no?
1534testing_2097.JPG
 

Bill USN-1

Moderator
Staff member
Moderator
If you look close, there are 3 wires not 2.
It's probably described in the write up also.
You need all 3.
Just as shown in the pic above.
Blk, wht and org
 

BigRigg

Y-Block King
If you look close, there are 3 wires not 2.
It's probably described in the write up also.
You need all 3.
Just as shown in the pic above.
Blk, wht and org
Yes, I see that now. I guess my question is; do I need to have an actual plug, or can I simply use spade connectors like you did here? Can I tie spade connectors into your USB cable, and forgo the actual aldl plug?
 

MrKenmore

Dreams of Cub Cadets
Getting the driver to work is tricky. Just remember to turn off wifi mode and you will be good to go. I forgot once and it "updated" on me so it wouldn't work. Once you turn off wifi and revert to the correct driver you're good. I think if you have an oldie time laptop with a serial connection you can wire it right in (you'll need to make up the serial connection of course). But the USB wire is much easier and future proof.
 

BigRigg

Y-Block King
I think that I've finally come back around to this. since my last post, I decided to buy the hardware needed to custom burn chips. Bill sent me a cable and I broke it last week. It's dead. I ran it over.:wacko: anyhow, As noted in this thread, I bought a usb to ttl cable. It did not come with a disc, and I was unable to find the 2010 driver on the prolific website. the cable uses a pl2303 chip.

I do have the drivers that Bill sent along with his cable. They seem to work fine with this cable...I think. I have installed the cable, and it runs on com 2. WINALDL is also configured to com 2.

I do not have the internet on. I am running windows 10 64bit. Winaldl recognizes the cable because it loads ok and shows in the device manager. But I cannot get any readings from the ECM. The green 20 does not show up. I have verified that the org wire has 5V. I have grounded the black wire with white stripe directly to the battery. I have verified that I am using the 2010 driver provided by Bill.
the scout starts fine. I am out of ideas. any suggestions?:helpsmilie:
 

Lilriver42

Farmall Cub
Have you tried testing the pinouts on the ecm? Ive read a couple places that you can test for voltages thats needed in either “on” or “running” mode I believe. Ive yet to find a good writeup on the complete pinout/testing of the ecm. But i have searched around a time or two.

reason being my 92 4.3 tbi system has never thrown a code. Even when there has been obvious issues where it should throw one it hasn’t and its never stored any codes.
 

Bill USN-1

Moderator
Staff member
Moderator
Have you tried testing the pinouts on the ecm? Ive read a couple places that you can test for voltages thats needed in either “on” or “running” mode I believe. Ive yet to find a good writeup on the complete pinout/testing of the ecm. But i have searched around a time or two.

reason being my 92 4.3 tbi system has never thrown a code. Even when there has been obvious issues where it should throw one it hasn’t and its never stored any codes.
Recommend you read thru the FAQs.
I cover the pinout test and even provide an excell spreadsheet to use.
It's all in the wiring FAQ.
 

mallen

Y-Block King
J
Make sure the initial setup procedures are performed correctly.
Check for any error codes using the SES light.

Your usb needs to be a TTL specific cable.
You don't use the white with black stripe, that is used to jumper to the blk/gnd wire that should be in pin A, to make it enter the diagnostic mode. That will blink the SES light and provide your error codes.
For ALDL, which is explained in the data logging FAQ, you use the black.pin A and the org/pin E.
If you have a standard 4 wire TTL usb, then you use the black wire to black and the white wire to the org.
YOU must use an old win98/XP/Vista laptop for standard installation of program and drivers
OR
For win 7 and newer
You must disable the wifi adapter prior to loading any software.
Install winaldl directly to the C:/winaldl directory
Install the 2010 version of the driver(if using a prolific chipset) or the current driver if not prolific chip.
Make sure wifi adapter is still off, then plug in usb cable.
Check device manager for port assigned during install.

or
Send me $30 for a cable and software.
ust to clarify, are you using a usb to ttl level serial adapter?
 

BigRigg

Y-Block King
I appreciate you guys. I havent even had time to look into the efi. It's been crazy. I am running a usb to ttl cable. It has 4 wires red and green are not used. It's either a incompatible cord, or I installed the drivers wrong. But I was so careful to follow the instructions, i think. So, its probably a bad cord, or a wrong cord.
 
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