Uncategorized fan control unit July 9, 2016 dstech I’m looking for feedback on buying a used fan control unit for an 87 trx350d or not. I troubleshooted mine, fan came on ok and temp sensor switch checked out ok. I’m thinking of putting a switch inline and turn it on when engine feels hot. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related