1995 Dodge Ram Tachometer not working

1995 DODGE RAM
173,000 MILES • 5.9L • V8 • 4WD • AUTOMATIC
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WAYNESRAGE
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  • 12 POSTS
I recently installed long tube headers on my truck and now my tachometer and oil pressure guages don't work while my speedometer glitches going down road won't work when first drive then starts working going down road what could cause this it was workin fine before header install thanks really appreciate it.
Nov 2, 2015 at 8:39 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
recheck your work and check for damaged/pinched wires due to header install
Nov 2, 2015 at 10:07 PM
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WAYNESRAGE
  • MEMBER
  • 12 POSTS
I rechecked it and it all looks good everything is hooked up all grounds are good but behind the motor near the distributer there is a green line that is unhooked and it looks like it is a vacuum line
Nov 3, 2015 at 10:08 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
I am assuming this is a gas engine.here is vacuum diagram but no color codes if it's a wire it could go to trans or maybe oi pressure switch.
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Nov 3, 2015 at 10:18 PM
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