What is the spark plug wiring diagram for a2005 buick rendezvous

Question edited for clarity.
Question moved to model category.

https://www.google.com/search?q=2003+buick+rendezvous+radio+wiring+diagram

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You buy a harness from the the aftermarket radio shop that supplies you with the new radio.

RADIO - Buick Rendezvous CXL 2004

Automotive Electricians Portal https://portal-diagnostov.com > 2020/04/04 > radio-bu...

Apr 4, 2020 - RADIO - Buick Rendezvous CXL 2004 - SYSTEM WIRING DIAGRAMS Base Radio Wiring Diagram, with Rear Controls. Get Access all wiring diagrams car.

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  Buick Rendezvous CX 2004 - SYSTEM WIRING DIAGRAMS

  https://portal-diagnostov.com > 2020/04/04 > radio-bu...
  Apr 4, 2020 - RADIO - Buick Rendezvous CX 2004 - SYSTEM WIRING DIAGRAMS Base Radio Wiring Diagram, with Rear Controls. Get Access all wiring diagrams car.

2004 Buick Rendezvous Radio Wiring Guide

MODIFIEDLIFE https://www.modifiedlife.com > 2004-buick-rendezvo...
Our 2004 Buick Rendezvous radio wiring diagram shows you all the 2004 Buick Rendezvous radio wire colors and what they do. Use our 2004 Buick Rendezvous stereo ...

Buick (2004-2006) Century, Regal, Rendezvous Head Unit ...

PinoutGuide.com https://pinoutguide.com > ... > Buick pinouts
Jan 28, 2022 - OEM radio stereo harness pin assignment. Hardware connector pinouts and cables circuits ...

BUICK RENDEZVOUS 2002-2005 VEHICLE WIRING

JustAnswer https://f01.justanswer.com > BUICK+RENDEZ... PDF WIRING INFORMATION: 2002 Buick Rendezvous. WIRE. WIRE COLOR. WIRE LOCATION. 12V CONSTANT. ORANGE. Ignition Harness. STARTER. YELLOW. Ignition Harness.
5 pages

You might want to try and take the number 2 cylinder spark plug out and look at it it should be a Gray or very light Brown color.
It's also possible that there's number 2 spark plug had water splashed on it and it was very hot and could have cracked the porcelain on the spark plug. Does your Buick have over a 100000 miles on it or near a 100000 miles if so they may be original spark plugs and need to be changed you can try one Thing, try changing number 2 spark plug with number one or number 3 and see if the problem moves with the spark plug, if it does the spark plug is definitely bad if it doesn't you may have to start looking at the spark plug Wires or maybe even the fuel injector but, you can do the same thing with the fuel injector change it with number 1 and see if the problem moves. Shield injectors usually just pull out of the fuel rail but be careful there's an O ring on them don't lose it it should stay on but you never know.
Anyway good luck to you

Visit the on-line store, know as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
Best Manuals

When you change spark plugs make sure your engine is cold, if the engine is hot you have a chance of breaking the ceramic the plug is covered with. Go to your auto parts store and buy some spark plugs. Ask the auto parts clerk what the plugs need to be gapped at or you can have them do it. When ready to change plugs, again make sure engine is cold. You will need a ratchet, possibly an extention and a spark plug socket. Pull the spark plug wires from their hole each individually as to keep track of which wires go to what hole. Put your ratchet, socket and spark plug socket together and insert in hole. Turn the ratchet left as the saying goes righty tighty, lefty loosy. Pull plug from hole when all the way loose, put new plug in and tighten snugly and put wire on new plug. Repeat all these steps on other plugs.

On this websites you find fuse box diagram and drespriton for Buick Randezvous (2003)

Buick Rendezvous 2003 fuse box diagram CARKNOWLEDGE


https://www.autogenius.info/buick-rendezvous-2003-fuse-box-diagram

The front bank of plug wire is easy just remove them one at a time and trace them back to the coil pack. making sure you put them back in there clip harness. The rear bank of plug wire is much harder In the shop we have a tool the titls the engine a little foward and allows you to reach in over or around the engine to gain access to the rear bank of spark plug wire . this tool is sold by OTC , Snap on , Matco , Mac or you might try your local parts store to see if they have one for loan or rent . the firing order on your buick is coil nearest the drive side is 1/4 middle coil is 3/6 and the end coil nearest the passanger side is 2/5

passanger side l----l l----l l----l drivers side
2 5 3 6 4 1


front of truck
this is the firing order for a 3.4 v6 vin e

Go on line or stop by the library and look up Tilton Automotive Service Manuals. Pull the book with info about 2003 Buick Rendezvous and make youself a photo copy of the timing/spark plug wiring diagram. Good luck

give thesew websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local GM-dealership in the parts department and they be able to print you off the pictures and diagrams you will need wish you the best of luck Michigan Man.

if you replace one by one you dont need a firing order.