fan turns on/off intermitently

Jun 20, 2005
hey guys, been having a problem with my 88 n/a 2.3. while driving or at idle, the rad fan will turn on then off then a few minutes later do it again (and keep doing the same thing). i figure its either a temperature sensor or the relay for the fan. but before i drop any $$$ on either i was just wondering if anyone else has had this problem, and which of the two fixed it. thanks guys
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