Had overheating problem in my 88. Removed my radiator and cleaned out all the leaves, paper, etc. While I had it out, checked the cooling fans to make sure they were working. Grounded A & B pins on ALDL, turned key to ON and only the primary fan would run, secondary would not. Wired secondary fan to 12 volts and fan runs ok. Changed all 3 relays and grounded A & B pins, tried again. Secondary fan still won't come on. Started car after I got everything back together and let it idle. Main fan came on at 226 degrees. Couldn't get it to 235 degrees to check secondary. Any ideas or suggestions. Thought about wiring secondary fan and installing switch to make it come on when I want, but I would prefer to have it work as it should.
Thanks,
Murf
Thanks,
Murf