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Old 06-21-2007, 06:18 PM
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don't know squat bout electrical

i have recently purchased a 64 caddy. today i dropped in a battery and got a little spark when i connected it. but thats it. no lights no ignition, radio, wipers......nuthin. can somebody gimmie a hand. i know i'm missing something obvious...right?

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Old 06-21-2007, 06:57 PM
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The accessory wire probably isn't hooked up............or a bad ground.
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Old 06-21-2007, 07:43 PM
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thanks. i'll be checking the whole thing in the morning. again, thanks.
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Old 06-21-2007, 07:59 PM
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Doc here,

Clean the Battery Cables (AT BOTH ends) , Be sure the ground is on the block AND the frame as well as the firewall, and all connections are burnished to bare metal, and have star & Lock washers, and the bolts are TIGHT.

BE sure no corrosion has creeped Back up the cables..

Go to the Starter solenoid, The Big terminal on the top should have a Battery cable on it AND a 10 gauge wire as well..BE sure that 10 gauge wire is not broken off, AND you have 12 volts at that terminal. This wire brings power to the rest of the electrical system..

IF you find that wire is NOT on the starter solenoid..locate the HORN relay AND/OR the Voltage regulator..This wire MAY be located HERE instead..

On the Horn relay, it will be on the "Battery" Terminal along with a few others..

ON the Voltage Regulator, It will be on the "B+" Or "BATT" Terminal of the regulator..On both of these you MUST have 12 volts to bring power into the car..Measure to be sure you have power at both places.

IF you do, go to the Fuse Buss, ON the "BATT" terminal of the fuse buss..measure for 12 volts..IF you have that, turn the key on, then measure the IGN terminal at the fuse buss..IF you have power there, Your Ignition switch may be bad, or disconnected.

Pre 1970 Cars did not have fuse links from the factory, However it may have had one installed over it lifetime..IF so , This will be located at one of the above places (Regulator, horn relay or Starter batt post) IF you find one it may be open..check / inspect it for an open.

For a quick test , run a jumper to the power terminal on the regulator (I assume it is a generator with external regulator) From the battery..That SHOULD heat the car up again..This will tell you IF that buss support wire is open or not..NO Power move the jumper over to the horn relay POWER, and look again..The wire MUST be 10 gauge or it might melt.


IF you have an AMP gauge, locate the terminals on the back, and carefully measure BOTH terminals, you should have 12 volts on BOTH sides..IF not..The Gauge shunt is open and cutting power to the car..REMOVE both wires and bolt them together . This will restore power to the car.

Doc
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Old 06-21-2007, 08:09 PM
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boy you guys don't waste any time. thankyou .
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Old 06-21-2007, 08:18 PM
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Quote:
Originally Posted by my64caddy
boy you guys don't waste any time. thankyou .

Doc here,

We try to be the best on the web..

Let us know what you find!

Doc
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