Car repairs for cancer patient

I am Daves wife Roxanne we have two cars not running one cost 1,700 to fix and the other has to be towed to garage we don’t have money to fix . Dave has chemo appointments doctor appointments testing appointments. We have copayments from all the doctor visits two three times a week plus my visits we are both unable to work I am his caregiver all we get is Social Security no pensions. please if you can find it in your heart to help you could never know how much it is appreciated. I know these are hard times for everyone but this need is so important to our family please give whatever you can.