GM TechLink 2006-10-01
Original text and source
Original text
Broken Ignition Wire
This information applies to the 2005-06 Chevrolet Express, Silverado, Suburban, Tahoe, GMC Savana, Sierra, Yukon equipped with a 4.8, 5.3 or 6.0 engine.
The engine may intermittently stall, misfire, or crank without starting. There may be no trouble codes set.
Complete the SI diagnostics for any symptoms or trouble codes found. If diagnostics are inconclusive, and an intermittent stall, misfire, or a crank no start can be duplicated, inspect for a loss of Ignition 1 voltage to the ignition coils.
Wiggle test the ignition coil harnesses to see if the concern can be duplicated.
Inspect splices S160 and S159 for loose connections. Also inspect connectors C148 and C149 for wires breaking near the connector.
The pink Ignition 1 power feed wire may break inside the insulation near connector C148/C149.
Source
- Source
- GM TechLink — Communication from a manufacturer to dealers (summary published by a government agency)
- Reporter type
- Manufacturer
- Source reference
- 2006-10-01
- Country / market
- US
- Language
- en
- Document version
- Version 3 (3 held)
- Note on the source
- Copyright General Motors Corporation. No licence is stated. Held as the headline and short quoted passages with the issue named and linked; the articles themselves are not stored or shown.
Dates
- Incident date
- Unknown
- Received by source
- 2006-10-01
- Added to the source's file
- Unknown: not returned by the source API
- Issued / published
- 2006-10-01
- First observed
- 2026-10-06 08:58 UTC (initial bulk load)
- This version fetched
- 2026-10-09 12:52 UTC