ThunderMax PN#309-380 Sportster User Manual

Installation / setup guide

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Video Instructions Available on You Tube

Part # 309-380 2012-

15 Softail® / Dyna®

309-382 2014-15 XL Sportster®

Serial # TMCM

Step 1

(All Models) Insert the

included Tmax

Tuner CD into

your computer. Tmax

Tuner

will automatically open the
InstallShield W izard when
the computer finds the CD-
Rom. Follow the instructions
and install the software on
your computer.

Step 2 - Module Installation - Softail® Models

(Skip to page 3 for Dyna® models,

page 4 for XL® models)

FX/FLST-A:

Remove the seat

to access the factory
Electronic Control

Module

(ECM). Slide the fuse box to
the left to release it from the
plastic bracket. Open the
fuse box and remove the main
fuse.

FX/FLST-B:

Remove the

battery cables (negative first)
and remove the battery from
the motorcycle. Remove any
previously installed
ancillary

tuning

device

including

oxygen

sensor

eliminators that

may

be

plugged into the factory

o

xygen sensor harness.

Installation / Setup Guide

Please Note: This product is Legal in California

only for racing vehicles which may never be used

upon a highway.

The user shall determine suitability of the

product for his or her use. Installation and use on a pollution-

controlled vehicle constitutes tampering under the U.S. EPA

guidelines and can lead to substantial fines. Review your

application and check your local laws before installing.

FX/FLST-C:

Spread the plastic latches holding the factory

ECM in place and lift the ECM from the mounting
bracket. Depress the latch on the main connectors and
remove the ECM from the wiring harness.

FX/FLST-D:

Unplug the tail light harness connector plug.

Remove the (2) bolts holding the steel fuse box
mounting bracket.

FX/FLST-E:

Clip the

right rear

wire tie

holding the harness
trough to the frame
as shown.

FX/FLST-F:

Lift the

steel fuse box mounting bracket to expose rear of the

plastic battery tray / wiring caddy. Firmly push the caddy
forward to create space needed to feed the “Front”
ThunderMax oxygen sensor harness (shown in yellow)

www.Thunder-Max.com

309-380 / 309-382 Installation / Setup

Guide V2014.9.23

[email protected]

1

Thank you for purchasing a ThunderMax ECM!
Please read through the following instructions
before

beginning

the

installation

procedure

.

Following these instructions will ensure that the ECM is

installed and setup properly for optimal results. If you

have any problems or questions, please refer to the

TMax Tuner .pdf Manual, included on the CD (Help

Menu) with this package. Record serial number NOW
on your warranty card, and below for your records!

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