Question about 2004 Chevrolet Venture Passanger
Posted by Anonymous on
,i can only think of one thing short in the wire somewhere, ?????
WRONG - open wire not shorted . Looking at wiring diagrams an using a DVOM - digital volt ohm meter to test the starter electrical circuits is the proper way to diagnose . Plus knowing how the circuit works would help . Your going at this blind.... That's why professional technicians go to training classes an why the factory spends millions on publishing service repair manuals . Looking at a wiring diagram i see that when the key is turned to the start position it sends a voltage signal to the PCM - engine control module . The PCM then supply's a ground to energize the starter relay ,this will close the contacts inside the relay sending B+ voltage to the S terminal on the starter solenoid . I see the PCM/CRANK fuse 10amp. located in the I/P fuse box. PCM/ABS fuse 10amp. I/P fuse box . I also see fusible link C (gray) this comes from the starter main batt. cable hook up. Do you know how a relay works ?
VEHICLE RELAYS Operation Diagnosis
Having a factory or professional grade scan tool to check input from the ignition switch to the PCM an checking starter relay control would be a big plus in the diagnostic procedure . But can diagnose without it. Does your vehicle have a security light lit on the instrument cluster ? If so , this will keep the PCM from starting the vehicle . Free wiring diagrams here http://www.bbbind.com/free-tsb Enter vehicle info. year , make , model an engine size. under system click on engine , then under subsystem click starting . Click the search button then the blue link.
Electric Testing Techniques You Need to Know
Posted on Feb 08, 2018
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Posted on Jan 02, 2017
I'm assuming there are 2 wires. On most starters there are 2 threaded posts. One will be chassis ground the other one will be electrically isolated on an insulated standoff, this will be the positive (usually red) wire from the starter relay which is usually somewhere close to the battery. If there is only one wire then it will be the postiive and bolting the starter in is "connecting" the ground. Make sure the mounting area is clean.
Posted on Mar 29, 2009
SOURCE: small block chevy wiring
You should have a purple wire that goes to the starter,plus the red one from pos on battery. I believe you will have a red wire and a black w/red stripe or red/ w black stripe gong to the alternator.
As far as the distributor I think factory was a big pink wire. But you can also just run a wire from the fuse box that would only be hot with key in on position. If you need more help please ask.
Make sure you have your seat belt on and hang on to the steering wheel when you drop the hammer on that 383cu.
Good luck and enjoy.
Posted on Apr 07, 2009
SOURCE: 1995 3.4L Camaro
check the fusible links. they are located near the positive jump terminal. if they are hard they are ok, if they are soft then that means they have melted and need to be replaced.
Posted on Apr 10, 2009
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