# What size relays? **URL:** \ **Category:** NYSpeed Automotive\ **Created:** [April 1, 2008, 9:38am UTC](https://forums.speedlife.net/t/what-size-relays/46012 "2008-04-01T09:38:51Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\ **Post date:** [April 1, 2008, 9:38am UTC](https://forums.speedlife.net/t/what-size-relays/46012/1 "2008-04-01T09:38:51Z")
94 Honda with Walbro 255 fuel pump and after marker half size fan (not sure what brand) [SIZE=2]Considering hooking my fuel pump and fan on there own circuits. Im not sure what size relays I will need for each? I was thinking two 30 amp? [/SIZE] ---
**Author:** ![1BADGPGT](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/1badgpgt/32/5123_2.png) [@1BADGPGT](https://forums.speedlife.net/u/1BADGPGT)\ **Post date:** [April 1, 2008, 9:56am UTC](https://forums.speedlife.net/t/what-size-relays/46012/2 "2008-04-01T09:56:12Z")
Yup…30Amp relays will work fine. ---
**Author:** ![justa4door](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/justa4door/32/7259_2.png) [@justa4door](https://forums.speedlife.net/u/justa4door)\ **Post date:** [April 1, 2008, 9:59am UTC](https://forums.speedlife.net/t/what-size-relays/46012/3 "2008-04-01T09:59:08Z")
yea… just go get a few 30 jobs from ratshack ---
**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\ **Post date:** [April 1, 2008, 10:09am UTC](https://forums.speedlife.net/t/what-size-relays/46012/4 "2008-04-01T10:09:13Z")
So 2 X 30 amps, Would the 40 amp hurt me? Say I go to a larger pump down the road?what about fuses? ---
**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\ **Post date:** [April 1, 2008, 10:19am UTC](https://forums.speedlife.net/t/what-size-relays/46012/5 "2008-04-01T10:19:51Z")
Relay, Fan, 30 Amp, Single Pole, Each - each 26.95 ![http://static.summitracing.com/global/images/prod/large/prf-30101.jpg](http://static.summitracing.com/global/images/prod/large/prf-30101.jpg) Switch, Toggle, Constant, Universal, Steel, Chrome, 25 Amps, Each - each 6.95 ![http://static.summitracing.com/global/images/prod/large/sum-g1435.jpg](http://static.summitracing.com/global/images/prod/large/sum-g1435.jpg) Fuse Block, 4-Circuit, 15 Amps per Circuit, - 11.95 ![http://static.summitracing.com/global/images/prod/large/sum-900170_w.jpg](http://static.summitracing.com/global/images/prod/large/sum-900170_w.jpg) ---
**Author:** ![1BADGPGT](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/1badgpgt/32/5123_2.png) [@1BADGPGT](https://forums.speedlife.net/u/1BADGPGT)\ **Post date:** [April 1, 2008, 11:05am UTC](https://forums.speedlife.net/t/what-size-relays/46012/6 "2008-04-01T11:05:07Z")
I run 14V-15V to my fuel pump with a 30 relay and a 25amp fuse…no problems. and I get 60psi fuel pressure at WOT. ---
**Author:** ![Violator](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/violator/32/7278_2.png) [@Violator](https://forums.speedlife.net/u/Violator)\ **Post date:** [April 1, 2008, 12:00pm UTC](https://forums.speedlife.net/t/what-size-relays/46012/7 "2008-04-01T12:00:59Z")
> [@Shrek](#): > > So 2 X 30 amps, Would the 40 amp hurt me? Say I go to a larger pump down the road?what about fuses? 40s wont hurt at all ---
**Author:** ![Shrek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shrek/32/7364_2.png) [@Shrek](https://forums.speedlife.net/u/Shrek)\ **Post date:** [April 1, 2008, 12:31pm UTC](https://forums.speedlife.net/t/what-size-relays/46012/8 "2008-04-01T12:31:41Z")
Thanks guys