Question about 1990 Toyota Supra

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90 supra no power when key is turned on, battery is charged terminals are cleaned

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Posted on Jan 02, 2017

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SOURCE: 1989 Supra will not start, New battery. 5 Speed

starter isnt engaging, if you know where the starter is, tap on it with a hammer
1 person crank it over while the other person taps on it - its on the back of the engine

Posted on Jul 28, 2009

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Toyota celica supra


Yes the points on the relays need to be clean. If the fuel pump does not turn on when you turn the key on the relay is bad.

Oct 11, 2012 | 1984 Toyota Celica Supra

1 Answer

When I start the car it goes click click click..spaced out about every 3 seconds...then i turn it to off...start again and it starts up...Is it the starter?


Could be several things. The starter draws a massive amount of amperage from the battery in order to turn the engine. When you turn the key it actives a heavy switch called the solenoid. An ordinary switch would burn up. In order to get the right amount of power to the starter the battery terminal have to be clean and tight. That is very important. So check that first. The clicking is probably the solenoid and dirty terminals aren't sending the power needed. Dirty terminals can be worse and act up during rainy weather. Dirty terminals also inhibit the alternator from charging your battery up fully and will wear out itself out. If you have a weak battery charge it fully with a charger. Never charge a battery by driving after having a drained battery and you needed a jump start. Charge it with a charger! Take the battery to an auto parts for testing, most will test it for free. Just because it has voltage does not mean it has power!
If a thorough check and cleaning of the battery does not solve the problem then the starter is next, pull it and take it for testing as well.
Never pour anything on your battery terminals!! Clean them by hand after you remove them from the battery using a battery cleaning brush. Wear eye protection and gloves because it is acid you are messing with. It will blind you, burn you and at least eat holes in your clothes.
Pick up 2 felt rings that they sell in the automotive battery section. There are a green one and red one. Soak them with oil and place them around the battery terminal posts before you clamp the terminal cables. That will hinder the gas from leaking out from the battery at the posts which cause the posts to foul up in the first place.

Do not smoke around a battery and always remove the negative cable first!

May 09, 2011 | 2000 Mitsubishi Mirage

2 Answers

Put new battery in a month ago, now when i turn key on nothing happens, no dash indicator lights come and nothing happens when key is turned on


Possible errors are either incomplete or non-load generator ground connections between the engine and car body.

Mar 04, 2011 | 2003 Chevrolet Silverado 2500HD

1 Answer

Jeep has power but as soon as I turn key I hear a click and loose all power. If I jiggle battery cables I get power back but loose it again as soon as I turn key in ignition. Is this a ground problem?


This is a connection problem at the battery more than likely. You need to remove the cable terminals ( they are made of lead) one at a time & really clean the corrosion, from them, coat them with grease or vaseline inside & out & reinstall securely after doing the same to the battery post. Your Jeep is a 90 model so you may need to consider replacing both the Pos. & Neg cables to get new terminals that will securely mount to a well cleaned, undamaged battery. Years of current running through the large cables causes the same corrosion you see on the terminals to build up on the insides of the cables from the battery to the starter & sometimes from the ground terminal to the ground connections. You are describing classic, loss of contact symptom. You should check the connection at the end of the cables & clean as well.

Jan 31, 2010 | 1990 Jeep Wrangler

1 Answer

2002 jeep


If your battery is full charged I'd give a 90% chance your starter is the problem. Sometimes you can tap the starter with a hammer while someone has the ignition key in the start position and the starter will work. Also make sure your battery terminal connections are clean and tightend properly so the full power is able to reach the starter.

Dec 30, 2009 | Cars & Trucks

1 Answer

No power at the key or at the batt.


Charge the battery, take it to be checked at a parts store Advance auto parts or Auto Zone, When you say no power at the battery that tells me that the battery is dead, if that's not what you meant check the ground wire and battery terminals, clean and reattache terminals to confirmed good battery. If still no power to key see if you have brake lights cigarette lighter etc. accessorie that don't require the key to be turned on, if you get power to these things and still no power to starter the solenoid for the starter could be faulty, I would need more info to diagnose this problem.

Jul 08, 2009 | 1987 Mazda B-Series

1 Answer

1994 grand am not getting any power after changing starter.


If you have a security system make sure it's been re-set. If you have power at main starter terminal check power at the small terminal with the key turned to start. If no power there, check the neutral safety switch. Check that battery is fully charged and terminals are clean before anything else.
good luck...need more help just ask!

Mar 27, 2009 | 1994 Pontiac Grand Am

1 Answer

NO POWER !!! 1990 supra


I had an issue with the smaller wire off the positive battery terminal breaking inside the casing. Damn hard to find! I would suggest giving the wires around the battery a wiggle, and a feel. Could be a loose connection.

Dec 03, 2008 | 1990 Toyota Supra

1 Answer

Battery wont charge


hi check the charging rate at your battery terminals under load [lights on heater on wipers etc] if drops below 13v with these on its to low if you have checked the output of the alternator at the alternator it should read not under 14v and not over 14.5v i think you will find the regulator is in the alternator or on the outside of it but if your readings at the battery are correct test your battery with a voltdrop test or if the batterys flat take the tops off get someone to keep the key in start position and see if the cells are bubbling it only takes one is so replace the battery yates210456

Oct 10, 2008 | 1983 Toyota Celica Supra

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