- Joined
- Aug 19, 2001
- Messages
- 10,757
- Reaction score
- 584
- Points
- 113
- Location
- So. Calif (SFV)
- Vehicle Year
- 1990
- Make / Model
- Bronco II
- Engine Type
- 2.9 V6
- Engine Size
- 2.9L V6
- Transmission
- Manual
- 2WD / 4WD
- 4WD
- Tire Size
- 35x12.50R15
I agree, this seems most likely a cabling issue. I see enough dirtiness and oxidation around those cable crimps that I couldn't rule them out.
A good way to check might be to turn on every load you can with the engine not running (headlights, blower fan on High, and step on the brake for brake lights) so that everything is drawing straight from the battery. Do this for approx 1½ - 2 minutes. Then feel your battery cables around each end where they are connected. There should not be any discernible heat anywhere on the cables or at their connections. If you do find any warm connections, then there's your issue (too much resistance in the connection).
Tip:
When you buy new cables, lightly heat the crimped ends and run some solder down into them. The solder will make for a more solid connection and prevent any oxidation from forming (this is best done when the cables are new, it can be difficult to get solder to take well to something that's dirty or been exposed to the atmosphere for some time).
A good way to check might be to turn on every load you can with the engine not running (headlights, blower fan on High, and step on the brake for brake lights) so that everything is drawing straight from the battery. Do this for approx 1½ - 2 minutes. Then feel your battery cables around each end where they are connected. There should not be any discernible heat anywhere on the cables or at their connections. If you do find any warm connections, then there's your issue (too much resistance in the connection).
Tip:
When you buy new cables, lightly heat the crimped ends and run some solder down into them. The solder will make for a more solid connection and prevent any oxidation from forming (this is best done when the cables are new, it can be difficult to get solder to take well to something that's dirty or been exposed to the atmosphere for some time).
The starter motor draws WAAYY more than 60 amps... (more like 200-300). Certainly makes it important your battery and cables are all in good condition.If Battery is at above 12.3v and you get "click, click, click" it means starter motor can't get the full 60amps it need
So larger positive battery cable or the larger negative battery cable does not have a good connection
Starter motor is the only reason for those two large cables
All the other electrics use smaller wires, i.e. horn, headlights, ect............so they can still work fine
Focus on the two larger battery cables