One problem related to underhood wiring has been reported for the 1999 Chevrolet Astro. The most recently reported issues are listed below.
Has failed to start on several occasions, noticed strong burning odor from under hood this most recent time electrical components under hood were vibrating and smoking. Proceding that all electrciall components of vehicle have failed including interior lights, horn hazard lights, alarm system. Transmission slips and slams into gear violently at higher speeds usually on freeway. Dealership says no problem picked up by on board computers.