1999 firebird V-6 intermittently will not start with good battery,connections and starter.WHY???

20

Asked by Jan 06, 2014 at 01:02 AM about the 1999 Pontiac Firebird Base

Question type: Maintenance & Repair

Have suspected body control module defective, it controls starting system. As well as my horn which does not work after alarm system stopped working. It will start up fine over and over, but just will not send signal to solenoid on starter. Can jumper solenoid/starter and car will start (with key on) but immediately dies. Ignition switch when turned on engages instrument cluster,etc... and battery meter on instrument cluster shows load /needle movement. So I don't think its ignitions switch.

4 Answers

20

....when it intermittently does not start - no clicking from solenoid/starter and no 12volt signal to solenoid. but intermittently it will get 12v and start just fine.

4,415

You're going to have to trace the harness, I'm afraid. There are two connectors between the ignition harness and the BCM, one or both of them might be loose. I've seen similar issues after someone has installed an aftermarket stereo or capacitor. The harness runs right in that area. These cars are notorious for poorly manufactured BCM's. You can get one for about $150. It's located under the dash behind the glove box compartment, not that hard to get to. Good luck!

20

Thx! you called it! one of the connectors that plugs into bottom of BCM was loose. Removing the bottom panel under glove box allowed easy access and view. I believe hitting a pothole was the cause of connector loose. I believe my BCM is defective for horn, but not for starting system.

2 out of 2 people think this is helpful.
4,415

there ya go

Your Answer

Add photo

Related Questions

Firebird

Looking for a Used Firebird in your area?

CarGurus has 808 nationwide Firebird listings starting at $3,000.

ZIP:

Search Pontiac Firebird Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Pontiac Firebird Experts

#1 Samuel Moore
Samuel Moore
Reputation 920
#2 dandyoun
dandyoun
Reputation 770
#3 Justin Hatfield
Justin Hatfield
Reputation 730
View All

Related Models For Sale

Used Chevrolet Camaro
475 Great Deals out of 39,917 listings starting at $3,499
Used Ford Mustang
580 Great Deals out of 41,215 listings starting at $1,699
Used Chevrolet Corvette
292 Great Deals out of 20,417 listings starting at $3,688
Used Chevrolet Silverado 1500
2,745 Great Deals out of 149,122 listings starting at $1,500
Used Ford Mustang SVT Cobra
271 listings starting at $3,995
Used Ford F-150
3,220 Great Deals out of 205,083 listings starting at $1,779
Used Chevrolet Impala
936 Great Deals out of 35,462 listings starting at $1,995
Used Chevrolet Monte Carlo
13 Great Deals out of 1,701 listings starting at $2,000
Used Pontiac Grand Prix
19 Great Deals out of 3,814 listings starting at $900
Used Pontiac Grand Am
1,699 listings starting at $1,000