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04-24-2008, 01:08 PM
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#1
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Join Date: Feb 2008
Location: Jersey City
Posts: 260
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3rd gen Trans am keeps shutting off
i got an 85 Trans am 5.0 ho carb . its all pretty much stock. the car keeps shutting completely off . im driving its all ok , i pull to a stop and the radio shuts off indicating that its cutting off. i giv it gas and no go . my and JerzIroc were looking at the diagrams for that car. and we found a couple of things that were ONLY on the 3rd gen T/As 5.0HO carb engines. does anyone have any clues in what it is or how i fix it . we disconnected a relay and it doesnt do it as often anymore .
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Bibblys 86 2.8 camaro and my 85 5.7 Trans Am recaro.
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04-24-2008, 03:29 PM
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#2
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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So everything loses power?
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Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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04-24-2008, 03:31 PM
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#3
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Join Date: Jan 2007
Posts: 5,623
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check the wire harness where it runs behind the engine, it sounds like something is getting all f'd up when it warms up
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2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10 
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04-24-2008, 04:20 PM
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#4
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Join Date: Feb 2008
Location: Jersey City
Posts: 260
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only the head light stay on. everything else shuts off
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Bibblys 86 2.8 camaro and my 85 5.7 Trans Am recaro.
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04-24-2008, 04:21 PM
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#5
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Join Date: Feb 2008
Location: Jersey City
Posts: 260
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Quote:
Originally Posted by bubba428
check the wire harness where it runs behind the engine, it sounds like something is getting all f'd up when it warms up
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im kinda not so good wit electrical. wut should i follow
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Bibblys 86 2.8 camaro and my 85 5.7 Trans Am recaro.
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04-24-2008, 04:26 PM
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#6
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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How old are your battery and alternator?
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04-24-2008, 04:37 PM
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#7
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Join Date: Feb 2008
Location: Jersey City
Posts: 260
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brand new diehard suv batt. n i think its original alt.
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Bibblys 86 2.8 camaro and my 85 5.7 Trans Am recaro.
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04-24-2008, 04:48 PM
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#8
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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Yeah, I'd start with the feed wires off the starter.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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04-24-2008, 05:14 PM
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#9
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Join Date: Feb 2008
Location: Jersey City
Posts: 260
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ok wut else should i look
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Bibblys 86 2.8 camaro and my 85 5.7 Trans Am recaro.
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04-24-2008, 10:01 PM
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#10
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Join Date: Jan 2008
Location: Jersey City, NJ
Posts: 622
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lol juan i love you but you're horrible a describing things man lol.... the car doesnt evn have to be on for it to shut off. he can have just the ignition on car off and itll shut off as soon as he puts the heat on. i forgot what relay it as that we took out, but when we took it out, it wouldnt shut off anymore. i dont know why you havent just gotten the new relay. lol i thought we had this figured out dude??
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1987 IROC-Z L98 T tops
 sold
2001 Pontiac Grand Am SE V6 (currently for sale PM me for details)
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04-24-2008, 10:40 PM
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#11
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Join Date: Sep 2007
Location: Poconos, PA
Posts: 606
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...
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'96 Z28 Vert M6 - UMI LCA's,UMI SFC's,BMR Panhard rod(soon to be UMI),UMI Short Shifter,Custom clutch, SLP CAI, SLP Strut Brace, Skip Shift Elim, MagnaFlow Catback,160 stat, Tb bypass, Air Foil ,prothane motor mounts & tranny mount, Stainless Radiator Shroud, Hooker headers with magnaflow hiflo cats, brand spanking new tranny, Umi torque arm , C5 brakes all 4 corners .
Soon to come... New paint , and glass .
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04-24-2008, 11:25 PM
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#12
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Join Date: Jan 2008
Location: Jersey City, NJ
Posts: 622
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lol...
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1987 IROC-Z L98 T tops
sold
2001 Pontiac Grand Am SE V6 (currently for sale PM me for details)
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04-25-2008, 01:13 AM
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#13
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13 Second Club
Join Date: Sep 2007
Location: Old Bridge
Posts: 194
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Quote:
Originally Posted by JerzyIroc
lol juan i love you but you're horrible a describing things man lol.... the car doesnt evn have to be on for it to shut off. he can have just the ignition on car off and itll shut off as soon as he puts the heat on. i forgot what relay it as that we took out, but when we took it out, it wouldnt shut off anymore. i dont know why you havent just gotten the new relay. lol i thought we had this figured out dude??
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Dude, did you even once think about what the hell you posted? I cant muster any word but WOW. WOW.
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04-25-2008, 06:16 AM
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#14
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Join Date: Jan 2008
Location: Jersey City, NJ
Posts: 622
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lol umm....??? what the i love you part? its called patronizing... im being a sarcastic ****...
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1987 IROC-Z L98 T tops
sold
2001 Pontiac Grand Am SE V6 (currently for sale PM me for details)
Last edited by JerzyIroc; 04-25-2008 at 05:35 PM.
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05-01-2008, 06:56 AM
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#15
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Join Date: May 2007
Posts: 55
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I'd start with battery cables. If the car is just shutting off instantly it doesn't sound like a battery is dieing... It sounds like something is breaking loose for a second dropping out a circuit and therfore loosing all power car shutting off. Could be fuel.. I dunno but if it were mine checking the battery cables ( including to the frame)for tightness is a free check.
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2000 WS6 Trans AM
1992 Firebird v8 (SOLD)
1990 Firebird v6 (SOLD)
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05-01-2008, 07:08 AM
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#16
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Join Date: Feb 2008
Location: Jersey City
Posts: 260
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Quote:
Originally Posted by jamessr
I'd start with battery cables. If the car is just shutting off instantly it doesn't sound like a battery is dieing... It sounds like something is breaking loose for a second dropping out a circuit and therfore loosing all power car shutting off. Could be fuel.. I dunno but if it were mine checking the battery cables ( including to the frame)for tightness is a free check.
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ok will do thanks
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Bibblys 86 2.8 camaro and my 85 5.7 Trans Am recaro.
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01-31-2009, 09:13 PM
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#17
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Join Date: Jun 2008
Posts: 25
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If the headlights stay on, the battery cables are good, and he probably has power at least up to the junction box. I would check the circuit(s) between the battery junction box and the central junction box for loose connections anywhere. Get a wiring diagram for the car and find everything that shuts off at the same time and follow them back until they meet up, then start looking around for loose connections and other abnormalities.
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- 1985 Trans Am 305 5speed T-top. Basically stock with exhaust. Finally back on the road after a lonely winter!
-1988 Iroc-Z Camaro up for parts. Grey on grey, T-top 5speed. PM me any and all questions/requests.
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02-04-2009, 08:40 AM
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#18
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Join Date: Feb 2008
Location: Jersey City
Posts: 260
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Quote:
Originally Posted by Frank drives a Firebird
If the headlights stay on, the battery cables are good, and he probably has power at least up to the junction box. I would check the circuit(s) between the battery junction box and the central junction box for loose connections anywhere. Get a wiring diagram for the car and find everything that shuts off at the same time and follow them back until they meet up, then start looking around for loose connections and other abnormalities.
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cool will do as soon as i change the motor, 2 weeks ago the motor seiged up .
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Bibblys 86 2.8 camaro and my 85 5.7 Trans Am recaro.
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