Roadside guide · from the crew
How to jump-start a car safely.
The 8 steps our drivers use, the cable order that keeps sparks away from battery gases — and the honest signs that no amount of jumping will save you today.
Safety first: if the battery is cracked, leaking, or smells like rotten eggs — don't jump it. And never lean over a battery while connecting clamps. When in doubt, that's literally what we're for.
The 8 steps, in the only order that's safe
Nose-to-nose or side by side, close enough for the cables to reach both batteries with slack. Both cars OFF, keys out, parking brakes on.
Positive (+) is usually under a red cap; negative (–) is bare or black. If the terminals are crusted white or green, that corrosion may be your real problem.
First clamp on, always. Make sure it bites metal, not the plastic cap.
Same rule: solid metal contact.
Still on the good car. Three clamps down, one to go — and the last one is the one people get wrong.
NOT the dead battery's negative post. An unpainted bolt or bracket away from the battery. This grounds the circuit and keeps any spark away from battery gases.
Let it idle and feed charge before you try anything.
If it cranks: black off the metal, black off the donor, red off the donor, red off the revived car. Drive 20+ minutes before shutting off.
When a jump WON'T save you
The car dies again as soon as you unhook. That's usually the alternator, not the battery — the engine isn't recharging itself. A jump buys you minutes, not a fix. You need a tow to a shop, not a third jump.
It needed a jump yesterday too. A battery that keeps dying is a battery at the end of its life — most last 3–5 years in Florida heat, less with short trips. Replacing it beats getting stranded somewhere worse.
Clicking but no crank, lights work fine. Could be the starter — jumping won't touch it.
If any of that sounds like your morning: our crew does on-the-spot battery replacement — tested first, priced before we roll, installed where the car sits. Or a straight flatbed tow to your shop.
Rather not do this on a road shoulder?
Fair. A jump start from Save Ital starts at $75, day or night, anywhere in Palm Beach County — and it includes a battery and alternator check so you know whether this ends at the jump or needs more.
Quick answers
Which cable goes on first?
Red (positive) to the dead battery first, red to the donor, black to the donor&'s negative — and the last black clamp goes to bare metal on the dead car, never the dead battery&'s negative post.
How long should I drive after a jump?
At least 20 minutes without shutting off, to let the alternator put real charge back. If it dies again at the next stop, the battery or alternator is done.
Can jumping damage my car&'s electronics?
Done in the wrong order or with clamps touching, yes — modern cars carry sensitive electronics. That&'s why the sequence above matters, and why our service includes doing it right.
My battery keeps dying — jump or replace?
If it&'s needed more than one jump in a month or is 4+ years old, replace it. We bring and install batteries on the spot at a real discount — tested first, priced before we drive out.