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No start problem I have no Pulse at injectors I.

Tiny
SK TECH
  • MEMBER
  • 1994 CHEVROLET SILVERADO
  • 107,869 MILES
No start problem I have no pulse at injectors I have hot at both inj but no ground pulse when turning over engine I changed dist module still nothing any idea about reference terminal testing purple/white wire at dist?
Monday, March 18th, 2013 AT 8:01 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the computer ground driver circuit checked-
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Wednesday, September 2nd, 2020 AT 6:15 PM
Tiny
SK TECH
  • MEMBER
  • 3 POSTS
How do I go about that? Is the ground driver circuit in ECM? I have already replaced ECM. Also forgot to mention on injector 1 both sides are hot possible wires touching in harness? One more thought should the purple and white wire coming from the distributor be pulsing ground or positive. Could the problem be in the dist itself maybe cracked magnet driving me crazy all help would be appreciated. Thanks
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Wednesday, September 2nd, 2020 AT 6:15 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The ground driver is in the ECM-check the resistances of the ignition pick-up coil in the distributor
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Wednesday, September 2nd, 2020 AT 6:15 PM

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