# Two items of note

**URL:** <https://community.cartalk.com/t/two-items-of-note/36940>\
**Category:** The Show\
**Tags:** chevrolet, corsica\
**Created:** [September 21, 2009, 3:07pm UTC](https://community.cartalk.com/t/two-items-of-note/36940 "2009-09-21T15:07:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Shadowfax333](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/shadowfax333/32/1393_2.png) [@Shadowfax333](https://community.cartalk.com/u/Shadowfax333)\
**Post date:** [September 21, 2009, 3:07pm UTC](https://community.cartalk.com/t/two-items-of-note/36940/1 "2009-09-21T15:07:13Z")

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On the topic of building lighting, flourecents require a ballast circuit and the bulbs are connected to each other electrically and may unbalance the circuit if replaced separately.  
  
 Also with, the on again, off again truck. My wife drives a `91 Corsica with 150K miles and the 3 coil pack ignition. It had been having identical symptoms to the truck in question. I had also been driven crazy replacing fuel pump and strainer (quite dirty), fuel filter, cleaning injectors, replacing plug wires, and then coils. All of which got the car going for a short time and then the problem returned. What finally FIXED the problem was when I replaced the coil mounting plate that houses the ignition firing module. When I had them side by side, it was apparent that the original had heat blued and I remembered the Summer before that she had a heater core leak (external under the firewall) and had overheated the car with no apparent damage.