AEM Electronics VCU300 Low-Voltage Harnesses 30-8603 VCU 300 LV Front Harness

SKU: AEM30-8603

Wiring Harnesses

AEM Electronics VCU300 Low-Voltage Harnesses 30-8603 VCU 300 LV Front Harness

SKU: AEM30-8603

Wiring Harnesses

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Exclusive Aem flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Aem part numbers. There's never been a better time to buy your Aem upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Harness

Connector interface features include:

Additional Information

Low voltage harness assembly designed to be installed in the front half of electric vehicle.

Data: v4.2 - Upd: 2026-11-09 03:27:34

Features

Braided harness.
Flying Leads for VCU300 power, Wake Switch, Accelerator Pedal, Brake Switch and Heater.
Label with color coded wires.
Prewired communications port.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 14:05:03

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s	Aem, Aem Electronics, Aem Electronics (holley), Aem EV, Aem Induction, Aem Induction (k&n)
StreetFX SKU	aem30-8603
SFX Item ID	5676088
Accounting SKU	aem-30-8603
Manufacturer SKU	30-8603
Manufacturer UPC	810065218407
Alternative References	30-8603, AEI30-8603, AVM-30-8603

VCU 300 LV Front Harness

AEM Electronics VCU300 low-voltage harnesses are pre-terminated and designed to be installed in the front half of an electric vehicle. This harness offers flying leads for VCU300 power, wake switch, accelerator pedal, brake switch and heater with pre-wired connections for Comms port (DB9), Inline CAN, and AEM ancillary devices.

Connector interface features include:
• AEM VCU300 (VCU)
• Battery Management System--Master (BMS)
• Power Distribution Unit (PDU)
• Main relay
• Fuse
• VCU300 power flying lead
• 12 V battery flying leads (12 V battery)
• 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

Product Attributes
Brand	AEM Electronics
Manufacturer's Part Number	30-8603
Part Type	Wiring Harnesses
Product Line	AEM Electronics VCU300 Low-Voltage Harnesses
UPC	810065218407
Fuse Block Included	No
Quantity	Sold individually.
Notes	Front wiring harness to be used with the VCU 300 control unit. Rear harness is 30-8601.