Yesterday I was looking over a previous TBI install and something donned on me.
Initially when I wired this kit I had a single lead bulb housing and connected the ground to the speedometer housing....

I am working with an Howell harness that I purchased used. The original purchaser was never able to get his vehicle to run properly and removed the kit without ever leaving the garage.
The harness...

This is a problem. You should see code 12 with the key on, engine off, and ALDL jumpered. Doesn't matter what other codes are present.

Start with the "ecm self test" function. Turn the key...

I will pick up a V6 CALPAK and give that a try.
I was told by the person who burned my prom chip that the CALPAK did not matter if it was from a V6 or V8.
I have a 1228062 ECM on hand, any chance...

I just finished up my third TBI swap.
I purchased a very lightly used Howell kit for an AMC 304 V8 and installed it on a Buick 231 V6. Long story, but the previous owner could not get his engine to...

Here is what I have made up.
We have a LS2 cam sensor.
I removed the Howell tach filter and wired up the LS2 cam sensor as follows.

Sensor terminal A- 5v- connect to terminal C14 on ECM...

Yes the HEI is spaced 90-150-90-150 ect.... the distributor is specific to the odd fire Buick. On an oscilloscope the tach output is very noisy. Howell has developed a special tach filter but I still...

Thank you for the reply. I picked up a 7 pin module, but it appears that I would have to mount it outside of the distributor cap. Perhaps it could be flipped over and mounted on the underside of the...

First a little back story.......
I have a stock appearing.... highly modified 69 CJ5 running an odd fire Buick V6.
I am currently running a Howell "fuel only" TBI system.
The system does run...

Hello,
My name is Kyle. I recently converted my Odd Fire Buick V6 to TBI using a kit from Howell. I will be asking a few questions and looking to improve Howell's product.
...