1990 Chevy S-10 Blown fuses

Tiny
GYPSY81165
  • MEMBER
  • 1990 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • MANUAL
  • 79,000 MILES
The old lighter in my truck was shot. I could not find a replacement so rigged a new complete lighter on the outside of the dash. Well the problem is that I keep blowing fuses. I used the old wires and connected them to new wires and connected to the new lighter. Everytime I push in the lighter a fuse blows. Any ideas?
Monday, October 26th, 2009 AT 10:36 PM

5 Replies

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Do you have the right size fuse? should be a 20 amp.

Check the wires at the fuse box for any corrosion or other problem at the panel.
https://www.2carpros.com/first_things/burned_fuse_connector.htm

Operate the other items on the circuit, do they work with out blowing it?


https://www.2carpros.com/forum/automotive_pictures/30961_1s10_1.jpg



https://www.2carpros.com/forum/automotive_pictures/30961_1s101_1.jpg



Make sure you splices are solid to reduce the resistance.

Not our of the ordinary to get a new defective part also.
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Tuesday, October 27th, 2009 AT 5:38 AM
Tiny
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Yes I have the correct fuse. The horn is the only other thing on this circuit. It seems to work fine.
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Tuesday, October 27th, 2009 AT 5:51 AM
Tiny
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Unless mitchell one is wrong, there are other items on the circuit.

Check the wiring connections, including splices and the back of the fuse box.

If all good, return the lighter socket for a another.
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Tuesday, October 27th, 2009 AT 6:04 AM
Tiny
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Ok the horn and dimmer switch is on the same circuit. I have no glove box light. The only light on is the dome light. I don't even have instrument panel light and never have had those. I'm still blowing fuses. I used butt connectors to attatch the new wires to the old. I will keep looking.
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Tuesday, October 27th, 2009 AT 5:03 PM
Tiny
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2carprosJack adds:

Make sure the power is hooked to the center and ground to the body of the new lighter. Also need to be sure the old lighter is cut out of the circuit. Sounds like it may be hooked up wrong, goes to dead short when lighter is pushed in which connects the circuit
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Wednesday, October 28th, 2009 AT 4:31 AM

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