Skip to content

Painless Wiring 60221 Fuel Injection Wiring Harness

SKU ds_DHDT_60221
Proudly Canadian

Albertan Owned

Supporting Canadian truckers since 2018
Secure Payments

Financing Available

SSL encrypted checkout with financing options
Trusted Brands

Top-Quality Suppliers

Authorized dealer for Fox, Bilstein, BFGoodrich & 50+ brands
Original price $1,304.16 - Original price $1,304.16
Original price $1,304.16
$1,304.16
$1,304.16 - $1,304.16
Current price $1,304.16
Availability:
4+ in stock
Description
Designed for use on 1999-2006 4.8L, 5.3L, 6.0L throttle by wire engines with 4L60E-4L85E or manual trans. 1999-2002 engines require a 2003-2006 TBW throttle body. Engine codes supported are LR4, LM7, LM4, LQ4 and LQ9. Will support flex fuel and non flex fuel engines. Flex fuel engines will require inline fuel composition sensor in order to run E85 fuel. Includes 10 circuit weatherproof fuse block & bracket and GM color coded wires with labels. Standard length harness allows four feet from the back of the intake manifold to where the fuse block and ECM mount. Perfect for mounting these components under the dash or in the glove box. Fuse block protects the following circuits: Brake and Cruise Switch, Dual 40 amp Ignition Relays, ECM (IGN), ECM B+, Fuel Injectors, Fuel Pump, Heated O2 Sensors, Ignition Coils, Mass Airflow and Fuel, Compensation Sensor, Throttle Actuator Control Module, Transmission and Park Neutral Position Switch, 20 Amp Cooling Fan Relay, 20 Amp Fuel Pump Relay. Includes connections for: A/C Request, Accelerator Pedal Position Sensor, Alternator, Brake Switch, Cam Position Sensor, Cooling Fans, Crank Position Sensor, Cruise Control ,Data Link Connector, Driver/Pass Front O2 Sensors, ECM, Engine Coolant Temperature, Fuel Compensation Sensor, Fuel Pump, Fuel Pump Test , Grounds, Ignition Coils, Ignition Switch Signal, Injectors - Gas & Flex Fuel Sub-Harness, Input Speed Sensor, Knock Sensors, Malfunction Indicator Lamp, MAP Sensor, Mass Airflow / Intake Air Temperature Sensor, Output Speed Sensor, Park/Neutral Switch, Reverse Lights, Starter, Starter Relay Activation, Tachometer, Throttle Actuator Control Module, Throttle Actuator Control Module to Accelerator Pedal Pigtail, Throttle Body, Transmission, VSS Output for Speedometer. PLEASE NOTE: This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, generally when swapped into another vehicle.

Specifications

Description_ASC 2003-2006 GM Gen III 4.8, 5.3 & 6.0L Throttle by Wire Harness Std. Length
Description_DES Fuel Injection Wiring Harness
Description_EXT Fuel Injection Wiring Harness; Throttle By Wire; Standard Length; Incl. Mounting Hardware;
Description_FAB Includes Everything You Need
Description_LAB Proposition 65
Description_MKT Designed for use on 1999-2006 4.8L, 5.3L, 6.0L throttle by wire engines with 4L60E-4L85E or manual trans. 1999-2002 engines require a 2003-2006 TBW throttle body. Engine codes supported are LR4, LM7, LM4, LQ4 and LQ9. Will support flex fuel and non flex fuel engines. Flex fuel engines will require inline fuel composition sensor in order to run E85 fuel. Includes 10 circuit weatherproof fuse block & bracket and GM color coded wires with labels. Standard length harness allows four feet from the back of the intake manifold to where the fuse block and ECM mount. Perfect for mounting these components under the dash or in the glove box. Fuse block protects the following circuits: Brake and Cruise Switch, Dual 40 amp Ignition Relays, ECM (IGN), ECM B+, Fuel Injectors, Fuel Pump, Heated O2 Sensors, Ignition Coils, Mass Airflow and Fuel, Compensation Sensor, Throttle Actuator Control Module, Transmission and Park Neutral Position Switch, 20 Amp Cooling Fan Relay, 20 Amp Fuel Pump Relay. Includes connections for: A/C Request, Accelerator Pedal Position Sensor, Alternator, Brake Switch, Cam Position Sensor, Cooling Fans, Crank Position Sensor, Cruise Control ,Data Link Connector, Driver/Pass Front O2 Sensors, ECM, Engine Coolant Temperature, Fuel Compensation Sensor, Fuel Pump, Fuel Pump Test , Grounds, Ignition Coils, Ignition Switch Signal, Injectors - Gas & Flex Fuel Sub-Harness, Input Speed Sensor, Knock Sensors, Malfunction Indicator Lamp, MAP Sensor, Mass Airflow / Intake Air Temperature Sensor, Output Speed Sensor, Park/Neutral Switch, Reverse Lights, Starter, Starter Relay Activation, Tachometer, Throttle Actuator Control Module, Throttle Actuator Control Module to Accelerator Pedal Pigtail, Throttle Body, Transmission, VSS Output for Speedometer. PLEASE NOTE: This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, generally when swapped into another vehicle.
Description_SHO FuelInjWireHrns
height 5.25
length 14.5
LTL N
weight 9.85
width 10.25
Fitment
Here's What OUR CUSTOMERS Have to Say:

Since 2018, We've Shipped Over 35,000 Automotive Parts to Canadian Customers.

4.6/5

+3,076 Verified Reviews

Easy to find and order. Customer service was responsive and helpful. It fit my vehicle and is protecting the back of it very well

Specific parts for my vehicle were easy to find Shipping was good and website is clear and easy to use

Very happy with the running boards, and the shipping was prompt.

Super easy, discount code worked well for my order

I will buy from here again.

Easy to use site, comprehensive descriptions. Relevant results

Quick shipping, good prices. Great selection of products.

Super easy, discount code worked well for my order

Easy buying process. Fast shipping. Lots of selection!

Great prices looking forward for possible tonneau cover from your site

Quick response and went the extra mile to answer my questions. Very professional and knowledgeable, having nothing but good things to say about the team at TPS

Fast and Quick,easy to understand The product was excellent and packaged extremely well, I would recommend them to all my friends.

The staff was very helpful and the price point is fair. Rafael was very accomodating and responsive to request to cancel order and reorder a different tuner.

Excellent service and price is good too Thanks.

Good service !

Purchasing process was extremely fast and simple, and the product came on time. 5/5 stars.

Need Help? We've Got Answers.

Find quick solutions to the most common questions about shipping, returns, compatibility, and support.

How do I know if a part fits my truck?

Use our vehicle filter by entering your truck’s year, make, and model. If you're unsure, our support team is happy to help.

Do you ship across Canada?

Yes! We ship to all provinces and territories in Canada. Free shipping is available on qualifying orders.

How long will it take to receive my order?

Delivery times vary depending on your location and item availability. Most orders arrive within 2–7 business days.

What is your return policy?

We accept returns within 30 days of delivery, as long as the item is unused and in its original packaging.

How can I contact customer support?

You can reach us via email, phone, or through the contact form on our website. Our team is ready to assist you.

Still have questions?

Our team is here to help — reach out and we'll get back to you as soon as possible.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare