AEM 10-8603_REV_A - Disclaimer, Introduction, Kit Contents, Harness Layout, Pinout

Nov 4, 2026

Uploaded by Mia

Vehicle high-voltage and low-voltage harness installation safety guidance emphasizes extreme caution and limits installation to trained professionals familiar with AEM VCU high-voltage control calibration requirements. The document specifies a low voltage harness assembly intended for the front half of an electric vehicle, designed to mate with a rear half VCU hardware-specific assembly (rear part number 30-8601). It lists connector interface features, kit contents with part numbers, harness layout dimensions/tolerance, and a detailed harness pinout table for the 36-8603-VCU300 layover harness.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages28

Reading Time1 h 11 min

AccessFree to download

Disclaimer

Introduction

Connector Interface Features

Kit Contents

Harness Layout

Harness Pinout

| | | --- | | | | | | AEM
2205 126th Street Unit A, Hawthorne, CA. 90250 Phone: (310) 484-2322 Fax: (310) 484-0152
[https://www.holley.com/brands/aem_ev/](https://www.holley.com/brands/aem_ev/)
[Instruction Part Number: 10-8603_REV_A](Instruction Part Number: 10-8603_REV_A)[ ](Instruction Part Number: 10-8603_REV_A)Document Build 2024-05-22 | Disclaimer DANGER! READ THIS BEFORE INSTALLING/USING! USE THIS PRODUCT WITH EXTREME CAUTION. MISUSE AND/OR IMPROPER INSTALLATION CAN CAUSE SIGNIFICANT DAMAGE TO YOUR VEHICLE AND PROPERTY BELONGING TO YOU OR OTHERS, AS WELL AS PERSONAL INJURY OR DEATH. IF YOU ARE NOT TRAINED IN ELECTRICAL ENGINEERING OR COMPLETELY FAMILIAR WITH THE SAFETY REQUIREMENTS OF HIGH VOLTAGE ELECTRIC VEHICLES, AND/OR ARE NOT WELL-VERSED IN CONFIGURING THE NECESSARY CONTROL CALIBRATIONS IN THE AEM VEHICLE CONTROL UNIT (VCU), DO NOT UNDER ANY CIRCUMSTANCES ATTEMPT TO INSTALL OR USE THIS PRODUCT. REFER THE INSTALLATION AND CALIBRATION TO A REPUTABLE INSTALLATION FACILITY, OR CONTACT AEM EV FOR A REFERRAL IN YOUR AREA. IT IS THE RESPONSIBILITY OF THE INSTALLER TO ULTIMATELY CONFIRM THAT THE INSTALLATION AND CALIBRATIONS ARE SAFE FOR ITS INTENDED USE. AEM AND ITS AFFILIATES, SHAREHOLDERS, DIRECTORS, OFFICERS, AGENTS, REPRESENTATIVES, SUCCESSORS AND ASSIGNS (COLLECTIVELY, THE “AEM PARTIES”) HOLD NO RESPONSIBILITY FOR ANY DAMAGE OR INJURY THAT RESULTS FROM INSTALLATION OR MISUSE OF ANY AEM PRODUCTS. EXCEPT FOR, TO THE EXTENT APPLICABLE TO THE PRODUCTS YOU HAVE PURCHASED, AEM’S 12 MONTH LIMITED WARRANTY (WHICH CAN BE FOUND AT [https://www.aemelectronics.com/about-us/warranty-returns](https://www.aemelectronics.com/about-us/warranty-returns), ALL AEM PRODUCTS ARE PROVIDED “AS IS” AND THE AEM PARTIES EXPRESSLY DISCLAIM ALL WARRANTIES, WHETHER EXPRESS, IMPLIED, STATUTORY OR OTHERWISE. THE AEM PARTIES SPECIFICALLY DISCLAIM ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND ALL WARRANTIES ARISING FROM COURSE OF DEALING, COURSE OF PERFORMANCE, USAGE OR TRADE PRACTICE. UNDER NO CIRCUMSTANCES SHALL ANY AEM PARTY BE LIABLE TO YOU OR ANY OTHER PERSON OR ENTITY FOR ANY DAMAGES OF ANY AMOUNT OR CHARACTER (INCLUDING, WITHOUT LIMITATION, ANY GENERAL, INDIRECT, SPECIAL, INCIDENTAL, EXEMPLARY, CONSEQUENTIAL OR PUNITIVE DAMAGES) ARISING OUT OF, RELATED TO, OR IN CONNECTION WITH (1) YOUR INSTALLATION OF ANY AEM PRODUCTS OR (2) YOUR MISUSE OF ANY AEM PRODUCTS. IN NO EVENT SHALL ANY AEM PARTY BE LIABLE TO YOU OR ANY OTHER PERSON OR ENTITY FOR ANY LOST OR CORRUPTED DATA, LOST PROFITS, LOST REVENUES, LOSS OF USE, DIMINUTION IN VALUE, LOSS OF OTHER INTANGIBLES OR ANY SPECIAL, INCIDENTAL, INDIRECT, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES, WHETHER ARISING OUT OF BREACH OF CONTRACT, TORT (INCLUDING NEGLIGENCE) OR OTHERWISE, REGARDLESS OF WHETHER SUCH DAMAGES WERE FORESEEABLE AND WHETHER OR NOT THE AEM PARTIES WERE ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME JURISDICTIONS MAY NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE EXCLUSIONS SHALL ONLY APPLY TO THE EXTENT PERMISSIBLE UNDER APPLICABLE LAW. Introduction This low voltage harness assembly was designed to be installed in the front half of the electric vehicle. It was designed tobe used with a mating rear half assembly that is VCU hardware specific. The AEM part number for the mating rear half harness is 30-8601. Connector interface features include: - AEM VCU300 (VCU) - Battery Management System – Master (BMS) - Power Distribution Unit (PDU) - Main Relay - Fuse - VCU300 Power Flying Lead - 12V Battery Flying Leads (12V Batt) - Wake Switch Flying Lead - Accelerator Pedal Position Flying Leads (APP) - Brake Flying Leads (Brake) - Heater Flying Lead - Insulation Monitoring Device Lead(IMD) - DB9 Communications Port (COMMS) - AEM Keypad (Keypad) - AEM Dash (Dash) - Inline Signals - Inline CAN Kit Contents - PN:10-1008-QR Code Sheet for instructions -

FAQs

Who is allowed to install or use this product?

Installation and calibration safety for the intended use is the installer’s responsibility.

What rear-half assembly is this harness designed to mate with?

The low voltage harness assembly is designed to be used with a mating rear half assembly that is VCU hardware specific. The rear half harness part number is 30-8601.

What are the key connector interface features included in the kit?

The kit supports interfaces for AEM VCU300 (VCU), Battery Management System Master (BMS), Power Distribution Unit (PDU), Main Relay, Fuse, VCU300 power flying lead, 12V battery flying leads, wake switch, accelerator pedal position, brake leads, heater lead, IMD lead, DB9 communications port, AEM keypad, and inline signals/CAN.

Nov 4, 2026

Uploaded by Mia