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Wire colors diagram needed?

Tiny
MADEN75
  • MEMBER
  • 1992 CADILLAC DEVILLE
  • 4.9L
  • V8
  • AUTOMATIC
  • 168,076 MILES
The air idle control valve wires got cut into and having to wire back up what colors go to what color.
Wednesday, March 15th, 2023 AT 11:02 PM

6 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,573 POSTS
The IAC has a 4-pin connector with a pink wire (5-volt bias), a light blue wire (motor), a blue wire with white stripe (ground) and a dark blue wire (motor). The connector view is looking at the front face of the connector on the wire.
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Thursday, March 16th, 2023 AT 1:28 AM
Tiny
MADEN75
  • MEMBER
  • 5 POSTS
That's but now I've got another interesting question.
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Thursday, March 16th, 2023 AT 2:03 AM
Tiny
MADEN75
  • MEMBER
  • 5 POSTS
The question is I've got a 96 Chevy Astro van 4.3 it ran like a new one until a week ago I went to leave and turn key over nothing turns over but no spark and I already know what ur gonna say but nope it ain't that bc I've replaced distributor -coil - camshaft sensor-crankshaft sensor - ignition coil module -the pcm- and also changed plugs - plug wires I've replaced all of the ignition switch system and still no spark and check all hot wires from start to end and ground wires no brakes or cuts in wires everything getting power good but no spark even got a battery and I can't find nothing wrong with it and all is new no spark I've search everything can't find or figure it out
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Thursday, March 16th, 2023 AT 2:09 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,573 POSTS
Please copy and paste that question in as a new question, we try to keep each question vehicle specific to make searches easier. Thank you.
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Thursday, March 16th, 2023 AT 2:25 AM
Tiny
MADEN75
  • MEMBER
  • 5 POSTS
96 Chevy Astro van no spark replaced all ignition switch system everything and still no spark what could it be
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Thursday, March 16th, 2023 AT 2:31 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,573 POSTS
It needs to be a separate question just like when you filled out the information for the first one. https://www.2carpros.com/questions/new
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Thursday, March 16th, 2023 AT 3:35 AM

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