Question about 1994 Toyota Corolla
Compressor replaced/charged cooling fine preasures ok.replaced ac amplifier,and fan relay #3.Ran clutch through meter current draw was 2.9 amps. No short to ground on load side of 7.5 amp ac fuse.checked mag clutch relay coil 95 ohms contacts ok,no short in socket.blower fine all speeds.Car works fine for few days then ac fuse blows.Iuse alldata for diagrams.Ihave 30 years as commercial electrician,bench tech for test equiptment,solid troubleshooting skills Currently own ac repair shop in Phoenix Az. 6th year in business.I know you guys are good at what you do,any t/s bullitens on this? Help greatly appriciated,could it be lock sensor. Thanks BOB KIRK
BBB Industries should have the TSBs and wiring diagrams for this as well .
Posted on Apr 05, 2017
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Posted on Jan 02, 2017
SOURCE: Blowing 30 amp fusible link
check all ignition feed power circuits.get the manual that come with your truck in the glove compartment. it will tell you what fuse that is.because it has every fuse and relay in your truck.
Posted on Apr 09, 2009
remove the spark plug wires and use a blow gun to dry the spark plug tubes of any water that may have gotten in, the blinking engine light means there is a missfire. and check those fuses with the headlights on and see if they have power.
Posted on Apr 23, 2009
it sounds like when the cat was changed they have trapped a wire or just moved one over a bit and its rubbing think about what items this 30amp fuse is protecting are any of the items close to the exhaust or around that area, i dont see the aftermarket starter doing this after 2 years hope this is helpful regards JR
Posted on May 17, 2009
That leaves only a couple things that may be the problem.
1 the break switch could have a short in it, or going bad. it is located on the break pedal its self, get on the floor and push it in and you can hear it click, some times they go bad.
2 the other is bad ground or a positiave ground, meaning a wire is loose on the ground side, or there is a bare wire on teh positiave side touching the metal.
3 if the connections on the light sockets thereselves, it will cause the same thing.
bottol line is your dealling with a short of some kind, and some times they can be a bear to find,
Good luck and i hope this helps a bit
Posted on May 26, 2009
I had a prolem like this one time a while back. what i did was got the wiring diagram and checked everything that was running through that 30 amp fuse. on the one i was working on it ended up being an injector wire pinched under the valve cover and it didnt short out till the car was driven til it warmed up and expanded after the valve cover gasket was changed. hope this helps!
Posted on Jun 27, 2009
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