Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

no crank

More
5 years 11 months ago #21223 by markg123
no crank was created by markg123
2005 impala ss 3.8 super charged no crank no start. when i got vehicle ignition had been replace for lost key wires for passlock had been cut not sure what all was done there were jumper wires not connect under hood and on floor under ignition switch . ran scanner no pcm codes one code for font wheel speed sensor can not communicate for srs. tested all fuse had bad fuse for fuel pump replaced ignition lock switch and housing from know good parts from 2004 grand am with bad timing chain try to reset security light for new key will not reset. starter turn if jump at tarter car wont star can hear fuel pump when key turn on tested crank fuse in left dash fuse box has 12v when in start position tried different crank relay under hood still no crank try to bypass crank relay not sure if done right still no crank car has no radio gauge cluster has light do not know if gauges work with no start not sure how to test bcm any help would be appreciated

Please Log in or Create an account to join the conversation.

More
5 years 11 months ago #21227 by cheryl hartkorn
Replied by cheryl hartkorn on topic no crank
do you have 2 power feeds at the relay? 1 hot at all times and a keyed one. also are you getting a switched ground from the pcm?

Please Log in or Create an account to join the conversation.

More
5 years 11 months ago - 5 years 11 months ago #21236 by Sterline80
Replied by Sterline80 on topic no crank
oops edit- i missed the part where you said you did jump power to starter
Last edit: 5 years 11 months ago by Sterline80.

Please Log in or Create an account to join the conversation.

More
5 years 11 months ago #21277 by markg123
Replied by markg123 on topic no crank
I have 12v cont 12v with key in start poss no ground switch signal from not sure if from bcm or pcm do not not were to check for ground switch circuit

Please Log in or Create an account to join the conversation.

More
5 years 11 months ago #21295 by Chad
Replied by Chad on topic no crank

"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."

I have learned more by being wrong, than I have by being right. :-)
Attachments:

Please Log in or Create an account to join the conversation.

More
5 years 11 months ago #21299 by markg123
Replied by markg123 on topic no crank
thanks to all for replay I found yellow wire for resistor in key was broken fix and did key relearn and car started

Please Log in or Create an account to join the conversation.

Time to create page: 0.286 seconds