Lq4 Wiring Harness

Since i removed a lot of at ac evap and some other unneeded wiring i would just tape the individual connector wires together and wait until i get the motor together with the front accessories on dry run motor out of the car and lay the wiring in there so that i can get correct lengths and then finalize the harness with harness tape and split loom protection. We offer ls lt swap harnesses for all gen 3 4 and 5 ls lt engines including ls1 ls2 ls3 ls6 ls7 lsa ls9 gen 5 v8 lt1 lt4 lq4 lq6 l99 vortec variants dod vvt afm. The only difference between an lq4 and lq9 is the piston.
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We were able to snap a cheap wiring harness from a ls truck engine and combine it with a few off the shelf parts.

Lq4 wiring harness. Speartech is your ls lt wiring harness swap specialist. Lq4 wire harness the lq4 vin u 6000 engine is an awesome gm power plant similarly related by looks to the 48 lr4 53 lm7 but is massively in a class of it own. Cnch lq4 lq9 60 standalone vortec truck engine wiring harness swap with 4l60e dbw us 168 228 piece zhejiang china cnch cnch 4101source from yueqing chuanhong electric co ltd. Speartech also provides ecm programming including e38 e67 e40 e92 ls lt engine wiring harness reworks and conversion adapters and programming.

This includes the computer wiring harness mass airflow sensor maf oxygen sensors and if the engine is drive by wire the gas pedal and throttle actuator control tac module. These harnesses include the gen ii lt1lt4 gen iii 24x ls1ls6 and vortec truck engines as well as gen iv 58x ls2 ls3 ls7 vortec and gen v lt ecotec3 engines. Youll be able to build yourself a custom sized wiring harness for under a 100. There are no embossed or etched exterior markings on the block or heads to indicate one over the other.

Psi sells standalone wiring harnesses for gm gen ii iii iv v lslt based engines and transmissions. The tune in the ecm is different as well as the main wiring harness. This engine is the foundation for a stroker motor and when you need more room the lq4 engine is the suburban of the ls blocks. Looking for an affordable in stock plug and play wiring harness for your ls swap.

Re wiring a stock gm truck wiring harness is intimidating if you are new to this kind of thing but it is relatively simple if you follow some steps. The best advice i can give is to do things in. Each engine requires the use of its own specific computer and harness and keep in mind that there were changes made to each system year by year.