FREQUENTLY ASKED QUESTIONS
DIESEL FREAK POWER HARNESSES
Will the harness work on my pickup truck?
No, we do not make a harness for pickup trucks they are specifically built for certain Semi trucks, they are made for specific engine serial numbers. We do offer other options for pickup trucks.
Will the Diesel Freak Power harness work on my MBN?
Yes, if you have the proper file in your ecm please call for details 989-748-4145
Will it work if I had additional upgrades or tuning?
Most other upgrades work well with the Diesel Freak Power Harness, however we have seen specific upgrades that work very well with it. It is best to call for more details 1-989-748-4145.
What is the Warranty on the Diesel Freak Power Harness?
We offer a 60 Day Money back warranty. If you are not entirely happy with the results you are able to return it to us within 60 days for a refund.
Where do I find my engine serial number?
Look in the driver side of the engine, it should be listed there. If you don’t see it you can call the dealer with the last 8 of your vin and they will give you your engine serial number.
Can I run just the fuel harness?
No, the entire set needs to be connected in order to have any benefit.
What is the difference between the 2 different sets?
The fixed set is just a fuel harness and a boost harness, it is set at a medium setting to allow for fuel savings and slight boost. The adjustable has a fuel harness, a boost harness, and a dial that allows you to adjust the levels to apply more boost.
HOW DO I GET ONE?
You can purchase online, by phone or stop by our store in Gaylord, Michigan.
CALL US 989.748.4145
MON – FRI 9AM – 5PM EST