944Hybrids: 924/944/968 and 928 V8 Conversions
Would you like to react to this message? Create an account in a few clicks or log in to continue.
HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

Comments: 0

Latest topics
» Ray's 1987 944 LS1 Build & Swap
Bad fan relay?  EmptyWed Oct 20, 2021 1:39 am by Raymond-P

» Brand new ls3 build
Bad fan relay?  EmptyTue Oct 19, 2021 1:36 pm by Plucky948

» Cereal bowl plate
Bad fan relay?  EmptyMon Oct 18, 2021 8:18 pm by Raymond-P

» bellhousing pressure plate interference
Bad fan relay?  EmptyMon Oct 18, 2021 4:24 pm by Hotrodz of Dallas

» Confused about brakes
Bad fan relay?  EmptyMon Oct 18, 2021 2:55 pm by Porsche951toLS3

» Rally LS-Swap First Fire!
Bad fan relay?  EmptySat Oct 16, 2021 5:01 am by MotoRider42HC

» Clutch master cylinder misalignment
Bad fan relay?  EmptyThu Oct 14, 2021 8:46 pm by Porsche951toLS3

» Honda k24 swap
Bad fan relay?  EmptyThu Oct 14, 2021 6:38 pm by Vlad

» 948 swaps in New Jersey
Bad fan relay?  EmptyWed Oct 06, 2021 11:57 am by tannerhwilson

» single cooling fan to twins
Bad fan relay?  EmptyWed Oct 06, 2021 6:02 am by Leva

October 2021
MonTueWedThuFriSatSun
    123
45678910
11121314151617
18192021222324
25262728293031

Calendar Calendar

Log in

I forgot my password

Bad fan relay?

2 posters

Go down

Bad fan relay?  Empty Bad fan relay?

Post  jpkinerk Mon May 04, 2015 9:04 pm

So I've been working on diagnosing a passagner side fan no turning on. I was about to replace the fan resistors under the dash, but went through all the easy stuff first; relays, fuses, etc. I noticed when I'd tap on the fan relay, the fan would kick on. Naturally I thought it was a bad relay so I swapped it out for a spare I had, however, I was able to repeat the issue with the spare relay. Could both relays really be bad? Seemed unlikely to me. 

Any ideas are much appreciated.
jpkinerk
jpkinerk

Posts : 174
Join date : 2013-02-13

Back to top Go down

Bad fan relay?  Empty Re: Bad fan relay?

Post  944-LT1 Tue May 05, 2015 1:55 pm

Unlikely but very possible.

I'm guessing your car is an 1985.5+ but regardless, Id check the connectors/wiring under the fuse block. May be a corroded or damaged wire or connector. Check the original relay for any corrosion on the terminals.

I believe that relay is the furthest back in the block and right where any moisture would contact first as run-off from the windshield and wiper cover.
944-LT1
944-LT1
Moderator
Moderator

Posts : 1263
Join date : 2009-06-09
Age : 100
Location : NOTRE DAME

Back to top Go down

Bad fan relay?  Empty Re: Bad fan relay?

Post  jpkinerk Tue May 05, 2015 8:54 pm

The original relay was pretty corroded. I kept my backup relay (with clean terminals) in the car and double checked the fuses. Went ahead and let the car idle for a while until the fans kicked on. In doing this, I discovered that it's only the low speed on fan #2 that isn't working. High speed kicks on just fine without tapping the relay. However, when both fans should be running low speed, I still have to tap on the relay to get fan #2 to engage low speed. Could this be a resistor? I guess I just ruled it out because of the tapping on the relay symptom.
jpkinerk
jpkinerk

Posts : 174
Join date : 2013-02-13

Back to top Go down

Back to top

- Similar topics

 
Permissions in this forum:
You cannot reply to topics in this forum