 FUSE HELP!, ECU-IG Fuse - Fuse Panel inside car |
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 Mar 5, 2009 - 8:53 PM
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Enthusiast Joined Apr 30, '08 From New York Currently Offline Reputation: 0 (0%)  |
I have recently been having problems with my ECU-IG fuse poping and need some help. I have a 99 celica with the 4th gen 3sgte swap that i completed last year. The car keeps blowing the fuse in the fuse panel inside the car. I don't even really know what the fuse does or how to go about troubleshooting the problem. If anyone has any insight please help! Thanks
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Mar 5, 2009 - 9:00 PM
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 Enthusiast  Joined Jan 29, '07 From Hoyt Lakes, MN Currently Offline Reputation: 11 (100%) |
Is it the AM2 Fuse? 30amp fuse IIRC.
-------------------- 98 Celica gt red- totaled deer
94 Celica st black DD (bad weather beater)- totaled deer 95 Celica gt silver- chassis sold 88 Celica All-Trac (Burned to a crisp) 94 Celica gt white (sold) In need of a rust free chassis!!!! |
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Mar 5, 2009 - 9:23 PM
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Enthusiast Joined Apr 30, '08 From New York Currently Offline Reputation: 0 (0%) |
QUOTE (bccentaur3 @ Mar 5, 2009 - 10:00 PM)  Is it the AM2 Fuse? 30amp fuse IIRC. no it's the 15 amp fuse furthest t to the left in the row with only 2 fuses, the panel said "ECU-IG" |
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Mar 5, 2009 - 9:38 PM
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Enthusiast Joined Jan 29, '07 From Hoyt Lakes, MN Currently Offline Reputation: 11 (100%) |
ahhh the efi fuse I would assume. You don't have any wires cut that are touching eachother? Is the fuse blowing when you try to start the car?
-------------------- 98 Celica gt red- totaled deer
94 Celica st black DD (bad weather beater)- totaled deer 95 Celica gt silver- chassis sold 88 Celica All-Trac (Burned to a crisp) 94 Celica gt white (sold) In need of a rust free chassis!!!! |
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Mar 5, 2009 - 9:45 PM
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Enthusiast Joined Apr 30, '08 From New York Currently Offline Reputation: 0 (0%) |
QUOTE (bccentaur3 @ Mar 5, 2009 - 10:38 PM) ahhh the efi fuse I would assume. You don't have any wires cut that are touching eachother? Is the fuse blowing when you try to start the car? yes the fuse blows as soon as you go to the on position, but no cut wires are under there, i pulled apart all my interior plastics looking for something out of place and no wires were messed up. the most recent work i had done was a viper alarm system installed about 4 months ago by 6th avenue electronics. and i checked all the work and wires the guy spliced into and it all seemed fine. |
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Mar 5, 2009 - 9:48 PM
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Enthusiast Joined Jan 29, '07 From Hoyt Lakes, MN Currently Offline Reputation: 11 (100%) |
Who did your wiring harness? How long have you had your swap?
-------------------- 98 Celica gt red- totaled deer
94 Celica st black DD (bad weather beater)- totaled deer 95 Celica gt silver- chassis sold 88 Celica All-Trac (Burned to a crisp) 94 Celica gt white (sold) In need of a rust free chassis!!!! |
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Mar 5, 2009 - 9:54 PM
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Enthusiast Joined Apr 30, '08 From New York Currently Offline Reputation: 0 (0%) |
QUOTE (bccentaur3 @ Mar 5, 2009 - 9:48 PM) Who did your wiring harness? How long have you had your swap? Dr. Tweak at Pheonix Tuning in Savanah, GA. He specializes in them and i havn't had any problems with it. I finished the swap just over a year ago, i got the car running and back on the road Jan. 2008. It's my daily driver and I did all the work myself. |
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Mar 5, 2009 - 9:57 PM
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Enthusiast Joined Jan 29, '07 From Hoyt Lakes, MN Currently Offline Reputation: 11 (100%) |
Well if Doc did it, theres no issues with his conversion. Did this just happen recently?
WOW!!! I just read that the fuse inside the car is popping not the one in the engine bay. Do you have a turbo timer? -------------------- 98 Celica gt red- totaled deer
94 Celica st black DD (bad weather beater)- totaled deer 95 Celica gt silver- chassis sold 88 Celica All-Trac (Burned to a crisp) 94 Celica gt white (sold) In need of a rust free chassis!!!! |
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Mar 5, 2009 - 10:44 PM
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Enthusiast Joined Apr 30, '08 From New York Currently Offline Reputation: 0 (0%) |
QUOTE (bccentaur3 @ Mar 5, 2009 - 9:57 PM) Well if Doc did it, theres no issues with his conversion. Did this just happen recently? WOW!!! I just read that the fuse inside the car is popping not the one in the engine bay. Do you have a turbo timer? yea it's the one inside the car. i had a turbo timer but i took it out. |
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Mar 5, 2009 - 10:56 PM
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Enthusiast Joined Jan 29, '07 From Hoyt Lakes, MN Currently Offline Reputation: 11 (100%) |
was it hard wired into the ignition wires? Or was it plugged in with a harness?
-------------------- 98 Celica gt red- totaled deer
94 Celica st black DD (bad weather beater)- totaled deer 95 Celica gt silver- chassis sold 88 Celica All-Trac (Burned to a crisp) 94 Celica gt white (sold) In need of a rust free chassis!!!! |
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Mar 5, 2009 - 10:57 PM
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Enthusiast Joined Apr 30, '08 From New York Currently Offline Reputation: 0 (0%) |
QUOTE (bccentaur3 @ Mar 5, 2009 - 11:56 PM) was it hard wired into the ignition wires? Or was it plugged in with a harness? it was hard wired in. |
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Mar 5, 2009 - 11:01 PM
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Enthusiast Joined Jan 29, '07 From Hoyt Lakes, MN Currently Offline Reputation: 11 (100%) |
check the wires in there to see if there is any of it exposed and touching one another. Maybe some of the electrical tape got loose.
-------------------- 98 Celica gt red- totaled deer
94 Celica st black DD (bad weather beater)- totaled deer 95 Celica gt silver- chassis sold 88 Celica All-Trac (Burned to a crisp) 94 Celica gt white (sold) In need of a rust free chassis!!!! |
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Mar 5, 2009 - 11:15 PM
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Enthusiast Joined Apr 30, '08 From New York Currently Offline Reputation: 0 (0%) |
QUOTE (bccentaur3 @ Mar 6, 2009 - 12:01 AM) check the wires in there to see if there is any of it exposed and touching one another. Maybe some of the electrical tape got loose. ok ill deff check again. it's been really cold out so i havn't been working out there too much. thanks do you by any chance know what that fuse protects? |
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Mar 5, 2009 - 11:29 PM
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Enthusiast Joined Jan 29, '07 From Hoyt Lakes, MN Currently Offline Reputation: 11 (100%) |
Sorry I don't. I would assume to keep the ecu from popping. I really don't know.
-------------------- 98 Celica gt red- totaled deer
94 Celica st black DD (bad weather beater)- totaled deer 95 Celica gt silver- chassis sold 88 Celica All-Trac (Burned to a crisp) 94 Celica gt white (sold) In need of a rust free chassis!!!! |
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Mar 5, 2009 - 11:40 PM
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 Enthusiast Joined Mar 22, '07 From Houston, TX Currently Offline Reputation: 4 (100%) |
i'll have a look at the diagrams and ill reply what it protects and where i think there may be problems
-------------------- QUOTE "And, as always, your friendship, help, and dedication to the advancement of Texas Celica dominance is GREATLY appreciated. Thanks bro." -DEATH 1994 GT: V6 swap, 5speed E53 W/ LSD, All Power, now RED 1995 ST: SOLD @273k miles, Auto, all power, CarPC, White 1994 ST: Totaled, 5spd, all power, Red RIP 07/09/09 @ 241,810 1994 Lexus LS400: This is my new DD |
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Mar 5, 2009 - 11:43 PM
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Enthusiast Joined Apr 30, '08 From New York Currently Offline Reputation: 0 (0%) |
QUOTE (stephen_lee @ Mar 6, 2009 - 12:40 AM) i'll have a look at the diagrams and ill reply what it protects and where i think there may be problems Ok, Thank you |
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Mar 5, 2009 - 11:55 PM
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Enthusiast Joined Mar 22, '07 From Houston, TX Currently Offline Reputation: 4 (100%) |
power flows:
battery>main fusable link>100A alt>40A AM1>IGN switch>15A ECU-IG Circuits Protected: A/C pressure switch ABS ECU(antilock brakes) Cruise Control ECU Shift Lock ECU(auto only) Water Temp Switch (for engine fans) Engine Main Relay(coil side) Fan Relays 1 & 2 (coil sides) Odd thing is, the engine control unit really doesnt get power from this fuse* lol I'll reply again in a bit after i look for probable issues *edit, put switch by accident This post has been edited by stephen_lee: Mar 5, 2009 - 11:56 PM -------------------- QUOTE "And, as always, your friendship, help, and dedication to the advancement of Texas Celica dominance is GREATLY appreciated. Thanks bro." -DEATH 1994 GT: V6 swap, 5speed E53 W/ LSD, All Power, now RED 1995 ST: SOLD @273k miles, Auto, all power, CarPC, White 1994 ST: Totaled, 5spd, all power, Red RIP 07/09/09 @ 241,810 1994 Lexus LS400: This is my new DD |
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Mar 5, 2009 - 11:58 PM
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Enthusiast Joined Apr 30, '08 From New York Currently Offline Reputation: 0 (0%) |
QUOTE (stephen_lee @ Mar 6, 2009 - 12:55 AM) power flows: battery>main fusable link>100A alt>40A AM1>IGN switch>15A ECU-IG Circuits Protected: A/C pressure switch ABS ECU(antilock brakes) Cruise Control ECU Shift Lock ECU(auto only) Water Temp Switch (for engine fans) Engine Main Relay(coil side) Fan Relays 1 & 2 (coil sides) Odd thing is, the engine control unit really doesnt get power from this fuse* lol I'll reply again in a bit after i look for probable issues *edit, put switch by accident wow who would have thought!! thanks so much i appreciate it, the thing was driving me crazy |
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Mar 6, 2009 - 12:49 AM
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Enthusiast Joined Mar 22, '07 From Houston, TX Currently Offline Reputation: 4 (100%) |
I'd really check those wires the turbo timer was wired into. though i don't think thats where the problem is since its 'upstream' of the fuse (it'd be blowing AM1)
-------------------- QUOTE "And, as always, your friendship, help, and dedication to the advancement of Texas Celica dominance is GREATLY appreciated. Thanks bro." -DEATH 1994 GT: V6 swap, 5speed E53 W/ LSD, All Power, now RED 1995 ST: SOLD @273k miles, Auto, all power, CarPC, White 1994 ST: Totaled, 5spd, all power, Red RIP 07/09/09 @ 241,810 1994 Lexus LS400: This is my new DD |
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