This can irreparably damage many of the sensitive electronic components that are common on today's vehicles, such as on-board computers and electronic sensors. Home Questions Tags Users Unanswered. Please help, as I may be responsible for money for repairs. Check the high ampere fuses on your car. This probably would not have killed the starter. Once you realize that you did the wrong thing, you can fix the problem on your own. Why is connecting the jumper cables in this way so important?
This routine procedure can become dangerous if the jumper cables are connected improperly -- if the positive terminal on each battery is mistakenly connected to the negative terminal on the other battery.
Jumper cable mistake may be costly
In fact, if the radio is the only victim here, you would be a good Samaritan and a lucky one. We trust the garage to get to the bottom of this, but it seems that everyone thinks it is a starter issue first-hopefully, they find something that we can hang on the first "professional". You may need to have your co-worker file a claim with her insurance, which will then seek to collect from your insurance company. Since you didn't put down the model or year of the Jeep, it is a little hard to help you with further diagnostic as far as where to find a fusible link or as to which relay to check. If a hired "professional" connects a charging apparatus with reversed polarity, I would suggest that the customer should be entitled to have his vehicle inspected for electrical damage by a mechanic of his choosing, with the hired professional being responsible for the actual cost of his inspection or a typical mechanic's cost, whichever is less, along with the cost of repairing any electrical faults that are discovered and for which the reverse connection would be the lost likely cause.