A 1999 gnc Sierra 5.3 and a 2003 Chevy Tahoe

Tiny
SCOTTIE HOWARD
  • MEMBER
  • 1999 GMC SIERRA
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
I have a 1999 gmc sierra ext cab with a 5.3 engine. And I want to know if I put a motor out of the 2003 Tahoe in my 1999 gmc if all the wiring plugs will plug up with out changing all kinds of stuff
Tuesday, March 18th, 2014 AT 9:56 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
As long as it's another 5.3L should say on block.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Wednesday, March 19th, 2014 AT 6:54 AM
Tiny
SCOTTIE HOWARD
  • MEMBER
  • 3 POSTS
Will my wiring harness plug up to the plugs on the 2003 motor
Was this
answer
helpful?
Yes
No
Wednesday, March 19th, 2014 AT 7:21 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The plugs or sensors may be different if you have a a 350 which I think you have then they won't. You can easily tell just by looking at the motor as the fuel injection systems may be different. If you have one large connection at top of motor and the Tahoe may have 8 on sides (4 ea)
Was this
answer
helpful?
Yes
No
Wednesday, March 19th, 2014 AT 7:27 AM
Tiny
SCOTTIE HOWARD
  • MEMBER
  • 3 POSTS
They both are the 5.3 engines so the wiring shoyld plug in right
Was this
answer
helpful?
Yes
No
Wednesday, March 19th, 2014 AT 12:22 PM

Please login or register to post a reply.

Related General Content

GUIDE
Inquire Here

Sponsored links