Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
Sponsored by:
Sponsored by: CARiD

87 305 carb wire question.

Thread Tools
 
Search this Thread
 
Old Jun 13, 2015 | 08:30 PM
  #1  
orown87topless's Avatar
Thread Starter
Junior Member
 
Joined: Jun 2015
Posts: 6
Likes: 0
87 305 carb wire question.

I have a 2 prong wire connector (weather pack) that is located behind the left valve cover. My wiring diagram says it is a vss bypass. It has a pink/blk and a black wire. Any idea what this is for and should it be plugged in somewhere ? It is too short to go to trans.
Reply
Old Jun 13, 2015 | 10:25 PM
  #2  
sofakingdom's Avatar
Supreme Member
20 Year Member
Community Builder
iTrader: (1)
 
Joined: Sep 2005
Posts: 27,918
Likes: 2,448
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: 87 305 carb wire question.

It goes nowhere.

Pink/blk = ECM power
Blk = gnd

Nobody out here in Internet land knows what it's for; but, being as how it's power and ground, what it could very easily do is, supply power to the entire engine, ECM, etc., without there being a car present.

I.e., a production-line test harness connector.

Don't worry about it. It doesn't go to anything now that the car has been built.
Reply
Old Jun 14, 2015 | 03:15 AM
  #3  
orown87topless's Avatar
Thread Starter
Junior Member
 
Joined: Jun 2015
Posts: 6
Likes: 0
Re: 87 305 carb wire question.

Thanks for the info. I am chasing an est problem. The timing remains fixed and I am going thru the entire harness to eliminate potential sources. I have a new dist installed as well as a new module. Knock sensor is next. Anyone run into this issue before?

Last edited by orown87topless; Jun 14, 2015 at 08:50 PM. Reason: spelling
Reply
Old Jun 14, 2015 | 03:45 PM
  #4  
Ozz1967's Avatar
Supreme Member
20 Year Member
iTrader: (4)
 
Joined: Dec 2005
Posts: 4,795
Likes: 15
From: St. Cloud, MN
Car: 1984 Trans Am
Engine: LS1383 in work
Transmission: Magnum F - to be installed
Axle/Gears: Zexel Torsen 3.73, 28-spline mosers
Re: 87 305 carb wire question.

Is your ECM fuse good?

Is your EST wire next to the distributor good and connected?
Reply
Old Jun 14, 2015 | 08:54 PM
  #5  
orown87topless's Avatar
Thread Starter
Junior Member
 
Joined: Jun 2015
Posts: 6
Likes: 0
Re: 87 305 carb wire question.

will check.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
midge54
LTX and LSX
21
Dec 27, 2019 04:14 PM
Infested
Tech / General Engine
3
May 22, 2018 11:56 PM
Jae992
TBI
3
Aug 27, 2015 09:07 AM
tero
Electronics
0
Aug 15, 2015 02:47 PM




All times are GMT -5. The time now is 07:56 AM.