Service Manuals
Electrical Trouble Shooting Manuals
Helpful Sites
Preludepower.com
This is a forum dedicated to the Honda Prelude. Here you will find decades of experience.
Preludezone.com
This is a forum dedicated to the Honda prelude. Here you will find decades of experience.
Prelude3g.com
This is a helpful site with many write ups and common fixes.
Prelude3g Youtube channel
Your Youtube source for everything 88-91 Prelude related. How to videos, product reviews, and more all by Mustardcat
1funryd.com
This is a vendor that has done a lot for the community. It wouldn’t be right to not acknowledge his work.
HP3G.com
This is a facebook 88-91 Prelude group. It is a closed group and will require admittance.
3rd gen Prelude Parts Link
This is a facebook 88-91 Prelude group with the focus on parts. This is an open group.
3rd Gen Prelude Enthusiasts
This is a facebook 88-91 Prelude group. It is a closed group and will require admittance.
ROM Dumps
The only source for 88-91 Prelude ROMs on the web and its all for free!
What do the numbers mean?
ECU part number 37820-PK2-7340-19
37820=Honda ECU
PK2=88-91 Prelude Fuel injected 2.0l
7340=ECU I.D. (refers to hardware of ECU)
19=ROM I.D. (refers to software of ECU)
Rom Files will be here. we are just experiencing some difficulties at the moment. If you need a ROM file in the mean time please email us and we will send it to you